Java Programmer Certification Mock Exam No 1
Copyright İMarcus Green 2001

Last Updated 22 April 2001

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This is my mock Exam No 1 based on the Objectives for the Sun Java Programmers Exam. It was created by Marcus Green (mail@marcusgreen.co.uk) and may be freely distributed so long as it is unmodified. Please email me if you have any corrections or comments, but please read this document first

http://www.jchq.net/homepage/getanswers.htm.

If you obtained this exam from some other source please email me to let me know and check out the latest version at http://www.jchq.net/

It really does come with answers

Yes, this is a long document (around 35 pages), if you cannot see the answers then you have not got the entire document, try reloading it untill you can see the answer to Question 60 and the words "End of document". The answers contain references to approximately which objective the question relates to. If you have a query about any of these questions, please, please include the full answer with the question.

Why not discuss this exam with other people ?

You can post a message on the discussion forum at http://www.jchq.net/discus. You can create an account instantly from the edit profile menu. You could also send me your question but I get heaps of email and my answer is likely to be slow and terse.

How does this compare with the real thing?

As of 5 Oct 2000 the question format has changed very slightly. You will now get more questions that include snippets (though the ratio may be similar to this mock exam). Each question will also tell you how many of the options you need to pick. You can read more about these revisions at http://www.jchq.net/faq/ExamUpdate.htm. You should assume that the real thing will be harder though many people have told me that they get similar marks in the real thing to my exams. Take a look at the "how jchq helped me" forum at http://www.jchq.net/discus to find how other people find the real exam and this material.

Where can you find other Mock Exams?

Check out my FAQ at http://www.jchq.net/faq/jcertfaq.htm for links to other mock exams You will find links to many good mock exams that add up to hundreds of questions. You can check out my second mock exam that contains 60 question at http://www.jchq.net/mockexams/exam2.htm

If you think you have found an error:-

Please include which exam you are referring to, ie 1 or 2 (and maybe soon 3)

Read the questions carefully

I have tried to make the questions unambiguous (the meaning should be obvious), but make sure you have read what I have written now what you think I might have written. Thus if it says "Classes can be declared with the private modifier ", it means It is possible to declare a class with the private modifier and not that all classes in all situations can be declared as private. Each question may have one or more correct Answers.

Questions


Question 1)

Which of the following lines will compile without warning or error.

1) float f=1.3;
2) char c="a";
3) byte b=257;
4) boolean b=null;
5) int i=10;
 

Answer to Question 1


Question 2)

What will happen if you try to compile and run the following code

public class MyClass {
 public static void main(String arguments[]) {
 amethod(arguments);
 }
 public void amethod(String[] arguments) {
 System.out.println(arguments);
 System.out.println(arguments[1]);
 }
}

1) error Can't make static reference to void amethod.
2) error method main not correct
3) error array must include parameter
4) amethod must be declared with String

Answer to Question 2


Question 3)

Which of the following will compile without error

1)

import java.awt.*;
package Mypackage;
class Myclass {}

2)

package MyPackage;
import java.awt.*;
class MyClass{}

3)

/*This is a comment */

package MyPackage;
import java.awt.*;
class MyClass{}

 

Answer to Question 3


Question 4)

A byte can be of what size

1) -128 to 127
2) (-2 power 8 )-1 to 2 power 8
3) -255 to 256
4)depends on the particular implementation of the Java Virtual machine

Answer to Question 4


Question 5)

What will be printed out if this code is run with the following command line?

java myprog good morning
public class myprog{
public static void main(String argv[])
{
System.out.println(argv[2])
}
}

1) myprog
2) good
3) morning
4) Exception raised: "java.lang.ArrayIndexOutOfBoundsException: 2"
 

Answer to Question 5


Question 6)

Which of the following are keywords or reserved words in Java?

1) if
2) then
3) goto
4) while
5) case

Answer to Question 6


Question 7)

Which of the following are legal identifiers

1) 2variable
2) variable2
3) _whatavariable
4) _3_
5) $anothervar
6) #myvar

Answer to Question 7


Question 8)

What will happen when you compile and run the following code?
 

public class MyClass{
 static int i;
 public static void main(String argv[]){
 System.out.println(i);
 }
}

1) Error Variable i may not have been initialized
2) null
3) 1
4) 0

Answer to Question 8


Question 9)

What will happen if you try to compile and run the following code?

public class Q {
 public static void main(String argv[]){
 int anar[]=new int[]{1,2,3};
 System.out.println(anar[1]);
 }
}

1) 1
2) Error anar is referenced before it is initialized
3) 2
4) Error: size of array must be defined
 

Answer to Question 9


Question 10)


What will happen if you try to compile and run the following code?

public class Q {
 public static void main(String argv[]){
 int anar[]=new int[5];
 System.out.println(anar[0]);
 }
}

1) Error: anar is referenced before it is initialized
2) null
3) 0
4) 5

Answer to Question 10


Question 11)


What will be the result of attempting to compile and run the following code?

abstract class MineBase {
 abstract void amethod();
 static int i;
}
public class Mine extends MineBase {
 public static void main(String argv[]){
 int[] ar=new int[5];
 for(i=0;i < ar.length;i++)
 System.out.println(ar[i]);
 }
}

1) a sequence of 5 0's will be printed
2) Error: ar is used before it is initialized
3) Error Mine must be declared abstract
4) IndexOutOfBoundes Error

Answer to Question 11


Question 12)

What will be printed out if you attempt to compile and run the following code ?

int i=1;
 switch (i) {
 case 0:
 System.out.println("zero");
 break;
 case 1:
 System.out.println("one");
 case 2:
 System.out.println("two");
 default:
 System.out.println("default");
 }

1) one
2) one, default
3) one, two, default
4) default

Answer to Question 12


Question 13)

What will be printed out if you attempt to compile and run the following code?

int i=9;
switch (i) {
 default:
 System.out.println("default");
 case 0:
 System.out.println("zero");
 break;
 case 1:
 System.out.println("one");
 case 2:
 System.out.println("two");
}

1) default
2) default, zero
3) error default clause not defined
4) no output displayed

Answer to Question 13


Question 14)

Which of the following lines of code will compile without error

1)

int i=0;
if(i) {
 System.out.println("Hello");
 }

2)

boolean b=true;
boolean b2=true;
if(b==b2) {
 System.out.println("So true");
 }

3)

int i=1;
int j=2;
if(i==1|| j==2)
 System.out.println("OK");

4)

int i=1;
int j=2;
if(i==1 &| j==2)

 System.out.println("OK");

Answer to Question 14


Question 15)

What will be output if you try to compile and run the following code, but there is
no file called Hello.txt in the current directory?.

import java.io.*;
public class Mine {
 public static void main(String argv[]){
 Mine m=new Mine();
 System.out.println(m.amethod());
}
public int amethod() {
 try {
 FileInputStream dis=new FileInputStream("Hello.txt");
 }catch (FileNotFoundException fne) {
 System.out.println("No such file found");
 return -1;
 }catch(IOException ioe) {
 } finally{
 System.out.println("Doing finally");
 }

 return 0;
 }

}

1) No such file found
2 No such file found ,-1
3) No such file found, Doing finally, -1
4) 0

Answer to Question 15


Question 16)

Which of the following statements are true?

1) Methods cannot be overriden to be more private
2) Static methods cannot be overloaded
3) Private methods cannot be overloaded
4) An overloaded method cannot throw exceptions not checked in the base class

Answer to Question 16


Question 17)

What will happen if you attempt to compile and run the following code?

1) Compile and run without error
2) Compile time Exception
3) Runtime Exception
 

class Base {}
class Sub extends Base {}
class Sub2 extends Base {}
public class CEx{
 public static void main(String argv[]){
 Base b=new Base();
 Sub s=(Sub) b;
 }
}

Answer to Question 17


Question 18)

Which of the following statements are true?

1) System.out.println( -1 >>> 2);will output a result larger than 10
2) System.out.println( -1 >>> 2); will output a positive number
3) System.out.println( 2 >> 1); will output the number 1
4) System.out.println( 1 <<< 2); will output the number 4


Answer to Question 18


Question 19)

What will happend when you attempt to compile and run the following code?

public class Tux extends Thread{

        static String sName = "vandeleur";
        public static void main(String argv[]){
        Tux t = new Tux();
        t.piggy(sName);
        System.out.println(sName);
        
        }
        public void piggy(String sName){
                sName = sName + " wiggy";
        start();
        }
        public void run(){
        
        for(int i=0;i  <  4; i++){
                sName = sName + " " + i;
                
        }
        }

}

1) Compile time error
2) Compilation and output of "vandeleur wiggy"
3) Compilation and output of "vandeleur wiggy 0 1 2 3"
4) Compilation and probably output of "vandelur" but possible output of "vandeleur 0 1 2 3"

Answer to Question 19


Question 20)


What will be displayed when you attempt to compile and run the following code

//Code start

import java.awt.*;
public class Butt extends Frame{
public static void main(String argv[]){
 Butt MyBut=new Butt();
 }
Butt(){
 Button HelloBut=new Button("Hello");
 Button ByeBut=new Button("Bye");
 add(HelloBut);
 add(ByeBut);
 setSize(300,300);
 setVisible(true);
 }
}

//Code end

1) Two buttons side by side occupying all of the frame, Hello on the left and Bye on
the right
2) One button occupying the entire frame saying Hello
3) One button occupying the entire frame saying Bye
4) Two buttons at the top of the frame one saying Hello the other saying Bye

Answer to Question 20


Question 21)


What will be output by the following code (choose one or more)?

public class MyFor{
public static void main(String argv[]){
 int i;
 int j;
 outer:
 for (i=1;i <3;i++)
 inner:
 for(j=1; j<3; j++) {
 if (j==2)
 continue outer;
 System.out.println("Value for i=" + i + " Value for j=" +j);
 }
 }

}

1) Value for i=1 value for j=1
2) Value for i=2 value for j=1
3) Value for i=2 value for j=2
4) Value for i=3 value for j=1

Answer to Question 21


Question 22)

Which statement is true of the following code?

public class Agg{
public static void main(String argv[]){
        Agg a = new Agg();
        a.go();
        }
        public void go(){
                DSRoss ds1 = new DSRoss("one");
                ds1.start();
        }
}

class DSRoss extends Thread{
private String sTname="";
DSRoss(String s){
        sTname = s;
}
public void run(){
        notwait();
        System.out.println("finished");
}
public void notwait(){
        while(true){
                try{
                         System.out.println("waiting");
                         wait();
                        }catch(InterruptedException ie){}
                System.out.println(sTname);
                notifyAll();
                }
        }
        
}

1) It will cause a compile time error
2) Compilation and output of "waiting"
3) Compilation and output of "waiting" followed by "finished"
4) Runtime error, an exception will be thrown


Answer to Question 22


Question 23)


Which of the following methods can be legally inserted in place of the comment //Method Here ?

class Base{
 public void amethod(int i) { }
}

public class Scope extends Base{
 public static void main(String argv[]){
 }
 //Method Here
}

1) void amethod(int i) throws Exception {}
2) void amethod(long i)throws Exception {}
3) void amethod(long i){}
4) public void amethod(int i) throws Exception {}

Answer to Question 23


Question 24)


Which of the following will output -4.0

1) System.out.println(Math.floor(-4.7));
2) System.out.println(Math.round(-4.7));
3) System.out.println(Math.ceil(-4.7));
4) System.out.println(Math.min(-4.7));

Answer to Question 24


Question 25)


What will happen if you attempt to compile and run the following code?

Integer ten=new Integer(10);
Long nine=new Long (9);
System.out.println(ten + nine);
int i=1;
System.out.println(i + ten);

1) 19 followed by 20
2) 19 followed by 11
3) Error: Can't convert java lang Integer
4) 10 followed by 1

Answer to Question 25


Question 26)


If you run the code below, what gets printed out?

String s=new String("Bicycle");
int iBegin=1;
char iEnd=3;
System.out.println(s.substring(iBegin,iEnd));

1) Bic
2) ic
3) icy
4) error: no method matching substring(int,char)

Answer to Question 26


Question 27)

If you wanted to find out where the position of the letter v (ie return 2) in the string s
containing "Java", which of the following could you use?

1) mid(2,s);
2) charAt(2);
3) s.indexOf('v');
4) indexOf(s,'v');

Answer  to Question 27


Question 28)

Given the following declarations

String s1=new String("Hello")
String s2=new String("there");
String s3=new String();

Which of the following are legal operations?

1) s3=s1 + s2;
2) s3=s1-s2;
3) s3=s1 & s2;
4) s3=s1 && s2

Answer to Question 28


Question 29)

What is the result of the following operation?

System.out.println(4 | 3);

1) 6
2) 0
3) 1
4) 7

Answer to Question 29


Question 30)

public class MyClass1 {
public static void main(String argv[]){ }
/*Modifier at XX */ class MyInner {}
}

What modifiers would be legal at XX in the above code?

1) public
2) private
3) static
4) friend

Answer to Question 30


Question 31)


What will happen when you attempt to compile and run the following code?

public class Holt extends Thread{
        private String sThreadName; 
        public static void main(String argv[]){
                Holt h = new Holt();
                h.go(); 
        }
Holt(){}

Holt(String s){
        sThreadName = s;
}
public String getThreadName(){
        return sThreadName;
}

public void go(){
        Holt first = new Holt("first");
        first.start();
        Holt second = new Holt("second");
        second.start();
}

        public void start(){
                for(int i = 0; i < 2; i ++){
                        System.out.println(getThreadName() +i);
                try{
                        Thread.sleep(100);
                        } catch(InterruptedException e){System.out.println(e.getMessage());}
                }
        }
}



1) Compile time error
2) Output of first0, second0, first0, second1
3) Output of first0, first1, second0, second1
4) Runtime error

Answer to Question 31


Question 32)

An Applet has its Layout Manager set to the default of FlowLayout. What code would be correct to change to another Layout Manager.

1) setLayoutManager(new GridLayout());
2) setLayout(new GridLayout(2,2));
3) setGridLayout(2,2);
4) setBorderLayout();

Answer to Question 32


Question 33)


What will happen when you attempt to compile and run the following code?.

1) It will compile and the run method will print out the increasing value of i.
2) It will compile and calling start will print out the increasing value of i.
3) The code will cause an error at compile time.
4) Compilation will cause an error because while cannot take a parameter of true.

class Background implements Runnable{ 

  int i=0; 
  public int run(){ 
         while(true){ 
                i++; 
                System.out.println("i="+i); 
            } //End while
     return 1;
     }//End run 

}//End class


Answer to Question 33


Question 34)

Which of the following statements about this code are true?

public class Morecombe{
public static void main(String argv[]){
         Morecombe m = new Morecombe();
        m.go(new Turing(){});        
}
public void go(Turing t){
        t.start();
        }

}
class Turing extends Thread{
        public void run(){
                for(int i =0; i < 2; i++){
                        System.out.println(i);
                }        
        }        

}


1) Compilation error due to malformed parameter to go method
2) Compilation error, class Turing has no start method
3) Compilation and output of 0 followed by 1
4) Compilation but runtime error

Answer to Question 34


Question 35)


What will be the result when you attempt to compile and run the following code?.

public class Conv{
 public static void main(String argv[]){
 Conv c=new Conv();
 String s=new String("ello");
 c.amethod(s);
 }

public void amethod(String s){
 char c='H';
 c+=s;
 System.out.println(c);
 }
}

1) Compilation and output the string "Hello"
2) Compilation and output the string "ello"
3) Compilation and output the string elloH
4) Compile time error

Answer to Question 35


Question 36)

Given the following code, what test would you need to put in place of the comment line?

//place test here

to result in an output of

Equal
public class EqTest{
 public static void main(String argv[]){
 EqTest e=new EqTest();
 }

EqTest(){
 String s="Java";
 String s2="java";
 //place test here {
 System.out.println("Equal");
 }else
 {
 System.out.println("Not equal");
 }
 }
}

1) if(s==s2)
2) if(s.equals(s2)
3) if(s.equalsIgnoreCase(s2))
4)if(s.noCaseMatch(s2))

Answer to Question 36


Question 37)

Given the following code

import java.awt.*;
public class SetF extends Frame{
public static void main(String argv[]){
 SetF s=new SetF();
 s.setSize(300,200);
 s.setVisible(true);
 }

}

How could you set the frame surface color to pink

1)s.setBackground(Color.pink);
2)s.setColor(PINK);
3)s.Background(pink);
4)s.color=Color.pink

Answer to Question 37


Question 38)


How can you change the current working directory using an instance of the File class called FileName?
1) FileName.chdir("DirName")
2) FileName.cd("DirName")
3) FileName.cwd("DirName")
4) The File class does not support directly changing the current directory.

Answer to Question 38


Question 39)

If you create a TextField  with a constructor to set it to occupy 5 columns, what difference will it make if you use it with a proportional font (ie Times Roman) or a fixed pitch typewriter style font (Courier).

1)With a fixed font you will see 5 characters, with a  proportional it will depend on the width of the characters
2)With a fixed font you will see 5 characters,with a  proportional it will cause the field to expand to fit the text
3)The columns setting does not affect the number of characters displayed
4)Both will show exactly 5 characters

Answer to Question 39


Question 40)


Given the following code how could you invoke the Base constructor that will print out the string "base constructor";

class Base{
 Base(int i){
 System.out.println("base constructor");
 }
 Base(){
 }
}

public class Sup extends Base{
 public static void main(String argv[]){
 Sup s= new Sup();
 //One
 }
 Sup()
 {
 //Two
 }

 public void derived()
 {
 //Three
 }
}

1) On the line After //One put Base(10);
2) On the line After //One put super(10);
3) On the line After //Two put super(10);
4) On the line After //Three put super(10);

Answer to Question 40


Question 41)

Given the following code what will be output?

public class Pass{
static int j=20;
public static void main(String argv[]){
 int i=10;
 Pass p = new Pass();
 p.amethod(i);
 System.out.println(i);
 System.out.println(j);
 }

 public void amethod(int x){
 x=x*2;
 j=j*2;
 }
}

1) Error: amethod parameter does not match variable
2) 20 and 40
3) 10 and 40
4) 10, and 20

Answer to Question 41


Question 42)


What code placed after the comment //For loop would populate the elements of the array ia[] with values of the variable i.?

public class Lin{
public static void main(String argv[]){
 Lin l = new Lin();
 l.amethod();
 }
 public void amethod(){
 int ia[] = new int[4];
 //Start For loop
 {
 ia[i]=i;
 System.out.println(ia[i]);
 }
 }
}

1) for(int i=0; i < ia.length() -1; i++)
2) for (int i=0; i< ia.length(); i++)
3) for(int i=1; i < 4; i++)
4) for(int i=0; i< ia.length;i++)

Answer to Question 42


Question 43)


What will be the result when you try to compile and run the following code?

private class Base{
Base(){
 int i = 100;
 System.out.println(i);
 }
}

public class Pri extends Base{
static int i = 200;
public static void main(String argv[]){
 Pri p = new Pri();
 System.out.println(i);
 }
}

1) Error at compile time
2) 200
3) 100 followed by 200
4) 100

Answer to Question 43


Question 44)

What will the following code print out?

public class Oct{
public static void main(String argv[]){
 Oct o = new Oct();
 o.amethod();
 }
 public void amethod(){
 int oi= 012;
 System.out.println(oi);
 }
}

1)12
2)012
3)10
4)10.0
 

Answer to Question 44


Question 45

What will happen when you try compiling and running this code?

public class Ref{
public static void main(String argv[]){
 Ref r = new Ref();
 r.amethod(r);
 }
 public void amethod(Ref r){
 int i=99;
 multi(r);
 System.out.println(i);
 }
 public void multi(Ref r){
 r.i = r.i*2;
 }
}

1) Error at compile time
2) An output of 99
3) An output of 198
4) An error at runtime

Answer to Question 45


Question 46)

You need to create a class that will store a unique object elements. You do not need to sort these elements but they must be unique.

What interface might be most suitable to meet this need?

1)Set
2)List
3)Map
4)Vector
 

Answer to Question 46


Question 47)

Which of the following will successfully create an instance of the Vector class and add an element?

1) Vector v=new Vector(99);
v[1]=99;
 

2) Vector v=new Vector();
v.addElement(99);
 

3) Vector v=new Vector();
v.add(99);
 

4 Vector v=new Vector(100);
v.addElement("99");

Answer to Question 47


Question 48)

You have created a simple Frame and overridden the paint method as follows

public void paint(Graphics g){
g.drawString("Dolly",50,10);

}


What will be the result when you attempt to compile and run the program?

1) The string "Dolly" will be displayed at the centre of the frame
2) An error at compilation complaining at the signature of the paint method
3) The lower part of the word Dolly will be seen at the top of the frame, with the top hidden.
4) The string "Dolly" will be shown at the bottom of the frame.

Answer to Question 48


Question 49)

What will be the result when you attempt to compile this program?

public class Rand{
public static void main(String argv[]){
 int iRand;
 iRand = Math.random();
 System.out.println(iRand);
 }
}

1) Compile time error referring to a cast problem
2) A random number between 1 and 10
3) A random number between 0 and 1
4) A compile time error about random being an unrecognised method

Answer to Question 49


Question 50)

Given the following code

import java.io.*;
public class Th{
 public static void main(String argv[]){
 Th t = new Th();
 t.amethod();
 }
 public void amethod(){
 try{
 ioCall();
 }catch(IOException ioe){}
 }
}

What code would be most likely for the body of the ioCall method

1) public void ioCall ()throws IOException{
 DataInputStream din = new DataInputStream(System.in);
 din.readChar();
 }
2) public void ioCall ()throw IOException{
 DataInputStream din = new DataInputStream(System.in);
 din.readChar();
 }
3) public void ioCall (){
 DataInputStream din = new DataInputStream(System.in);
 din.readChar();
 }
4) public void ioCall throws IOException(){
 DataInputStream din = new DataInputStream(System.in);
 din.readChar();

 }

Answer to Question 50


Question 51)

What will happen when you compile and run the following code?

public class Scope{
private int i;
public static void main(String argv[]){
 Scope s = new Scope();
 s.amethod();
 }//End of main
 public static void amethod(){
 System.out.println(i);
 }//end of amethod
}//End of class

1) A value of 0 will be printed out
2) Nothing will be printed out
3) A compile time error
4) A compile time error complaining of the scope of the variable i

Answer to Question 51


Question 52)


You want to lay out a set of buttons horizontally but with more space between the first button and the rest. You are going to use the GridBagLayout manager to control the way the buttons are set out. How will you modify the way the GridBagLayout acts in order to change the spacing around the first button?
 

1) Create an instance of the GridBagConstraints class, call the weightx() method and then pass the GridBagConstraints instance with the component to the setConstraints method of the GridBagLayout class.

2) Create an instance of the GridBagConstraints class, set the weightx field and then pass the GridBagConstraints instance with the component to the setConstraints method of the GridBagLayout class.

3) Create an instance of the GridBagLayout class, set the weightx field and then call the setConstraints method of the GridBagLayoutClass with the component as a parameter.

4) Create an instance of the GridBagLayout class, call the setWeightx() method and then pass the GridBagConstraints instance with the component to the setConstraints method of the GridBagLayout class.

Answer to Question 52


Question 53)


Which of the following can you perform using the File class?

1) Change the current directory
2) Return the name of the parent directory
3) Delete a file
4) Find if a file contains text or binary information

Answer to Question 53


Question 54)

Which statement is true of the following code?

public class Rpcraven{
        public static void main(String argv[]){
        Pmcraven pm1 = new Pmcraven("one");
        pm1.run();
        Pmcraven pm2 = new Pmcraven("two");
        pm2.run();

        }
}

class Pmcraven extends Thread{
private String sTname="";
Pmcraven(String s){
        sTname = s;

}
public void run(){
        for(int i =0; i < 2 ; i++){
                try{
                 sleep(1000);
                }catch(InterruptedException e){}

                yield();
                System.out.println(sTname);
                }

        }
}

1) Compile time error, class Rpcraven does not import java.lang.Thread
2) Output of One One Two Two
3) Output of One Two One Two
4) Compilation but no output at runtime

Answer to Question 54


Question 55)

You are concerned that your program may attempt to use more memory than is available. To avoid this situation you want to ensure that the Java Virtual Machine will run its garbage collection just before you start a complex routine. What can you do to be certain that garbage collection will run when you want .

1) You cannot be certain when garbage collection will run
2) Use the Runtime.gc() method to force garbage collection
3) Ensure that all the variables you require to be garbage collected are set to null
4) Use the System.gc() method to force garbage collection

Answer to Question 55


Question 56)

You are using the GridBagLayout manager to place a series of buttons on a Frame. You want to make the size of one of the buttons bigger than the text it contains. Which of the following will allow you to do that?

1) The GridBagLayout manager does not allow you to do this
2) The setFill method of the GridBagLayout class
3) The setFill method of the GridBagConstraints class
4) The fill field of the GridBagConstraints class
 

Answer to Question 56


Question 57)

Which of the following most closely describes a bitset collection?

1) A class that contains groups of unique sequences of bits
2) A method for flipping individual bits in instance of a primitive type
3) An array of boolean primitives that indicate zeros or ones
4) A collection for storing bits as on-off information, like a vector of bits

Answer to Question 57


Question 58)


You have these files in the same directory. What will happen when you attempt to compile and run Class1.java if you have not already compiled Base.java

//Base.java
package Base;
class Base{
 protected void amethod(){
 System.out.println("amethod");
 }//End of amethod
}//End of class base
package Class1;
//Class1.java
public class Class1 extends Base{
public static void main(String argv[]){
 Base b = new Base();
 b.amethod();
 }//End of main

}//End of Class1

1) Compile Error: Methods in Base not found
2) Compile Error: Unable to access protected method in base class
3) Compilation followed by the output "amethod"
4)Compile error: Superclass Class1.Base of class Class1.Class1 not found

Answer to Question 58


Question 59)

What will happen when you attempt to compile and run the following code

class Base{
private void amethod(int iBase){
 System.out.println("Base.amethod");
 }
}



class Over extends Base{
public static void main(String argv[]){
 Over o = new Over();
 int iBase=0;
 o.amethod(iBase);
 }

 public void amethod(int iOver){
 System.out.println("Over.amethod");
 }
}

1) Compile time error complaining that Base.amethod is private
2) Runtime error complaining that Base.amethod is private
3) Output of "Base.amethod"
4) Output of "Over.amethod"
 

Answer to Question 59


Question 60)

You are creating an applet with a Frame that contains buttons. You are using the GridBagLayout manager and you have added Four buttons. At the moment the buttons appear in the centre of the frame from left to right. You want them to appear one on top of the other going down the screen. What is the most appropriate way to do this.
 

1) Set the gridy value of the GridBagConstraints class to a value increasing from 1 to 4
2) set the fill value of the GridBagConstraints class to VERTICAL
3) Set the ipady value of the GridBagConstraints class to a value increasing from 0 to 4
4) Set the fill value of the GridBagLayouts class to GridBag.VERTICAL

Answer to Question 60

If you have a copy of the Roberts and Heller Java2 Guide that says the exam does not cover the GridBagLayout, this is an error. You can confirm this by looking at the online errata at

http://www.sybex.com/cgi-bin/rd_err_temp.pl?2463err.html


Answers


Answer 1)

Back to question 1)
Objective 4.5)

5) int i=10;

explanation:
1) float f=1.3;
Will not compile because the default type of a number with a floating point component is a double. This would compile with a cast as in

float f=(float) 1.3
 

2) char c="a";

Will not compile because a char (16 bit unsigned integer) must be defined with single quotes. This would compile if it were in the form

char c='a';

3) byte b=257;

Will not compile because a byte is eight bits. Take of one bit for the sign component you can define numbers between

-128 to +127

4) a boolean value can either be true or false, null is not allowed

http://www.jchq.net/tutorial/04_05Tut.htm.


Answer 2)

Back to question 2)

Objective 4.1

1) Can't make static reference to void amethod.

Because main is defined as static you need to create an instance of the class in order to call any non-static methods. Thus a typical way to do this would be.
 

MyClass m=new MyClass();

m.amethod();
 

Answer 2 is an attempt to confuse because the convention is for a main method to be in the form

String argv[]

That argv is just a convention and any acceptable identifier for a string array can be used. Answers 3 and 4 are just nonsense.

http://www.jchq.net/tutorial/04_01Tut.htm


Answer 3)

back to Question 3)
Objective 4.1)

2 and 3 will compile without error.
 

1 will not compile because any package declaration must come before any other code. Comments may appear anywhere

http://www.jchq.net/tutorial/04_01Tut.htm .


Answer 4)

Back to question 4)
Objective 4.5)

1) A byte is a signed 8 bit integer.

http://www.jchq.net/tutorial/04_05Tut.htm


Answer 5)

Back to question 5)
Objective 4.2)

4) Exception raised: "java.lang.ArrayIndexOutOfBoundsException: 2"

Unlike C/C++ java does not start the parameter count with the program name. It does however start from zero. So in this case zero starts with good, morning would be 1 and there is no parameter 2 so an exception is raised.

http://www.jchq.net/tutorial/04_02Tut.htm


Answer 6)

Back to question 6)
Objective 4.3)

1) if
3) goto
4) while
5) case
 

then is not a Java keyword, though if you are from a VB background you might think it was. Goto is a reserved word in Java.

http://www.jchq.net/tutorial/04_03Tut.htm


Answer 7)

Back to Question 7)
Objective 4.1)

2) variable2
3) _whatavariable
4) _3_
5) $anothervar
 

An identifier can begin with a letter (most common) or a dollar sign($) or an underscore(_). An identifier cannot start with anything else such as a number, a hash, # or a dash -. An identifier cannot have a dash in its body, but it may have an underscore _. Choice 4) _3_ looks strange but it is an acceptable, if unwise form for an identifier.

http://www.jchq.net/tutorial/04_01Tut.htm


Answer 8)

Back to Question 8)
Objective 4.4)

4) 0

Class level variables are always initialised to default values. In the case of an int this will be 0. Method level variables are not given default values and if you attempt to use one before it has been initialised it will cause the

Error Variable i may not have been initialized

type of error.

http://www.jchq.net/tutorial/04_04Tut.htm


Answer 9)

Back to Question 9)
Objective 4.4)

3 ) 2

No error will be triggered.

Like in C/C++, arrays are always referenced from 0. Java allows an array to be populated at creation time. The size of array is taken from the number of initializers. If you put a size within any of the square brackets you will get an error.

http://www.jchq.net/tutorial/04_04Tut.htm


Answer 10)

Back to question 10)
Objective 4.4)

3) 0

Arrays are always initialised when they are created. As this is an array of ints it will be initalised with zeros.

http://www.jchq.net/tutorial/04_04Tut.htm


Answer 11)

Back to Question 11)
Objective 1.2

3) Error Mine must be declared abstract
 

A class that contains an abstract method must itself be declared as abstract. It may however contain non abstract methods. Any class derived from an abstract class must either define all of the abstract methods or be declared abstract itself.

http://www.jchq.net/tutorial/01_02Tut.htm


Answer 12)

Back to Question 12)
Objective 2.1)

3) one, two, default

Code will continue to fall through a case statement until it encounters a break.

http://www.jchq.net/tutorial/02_01Tut.htm


Answer 13)

Back to Question 13)
Objective 4.1)

2) default, zero

Although it is normally placed last the default statement does not have to be the last item as you fall through the case block. Because there is no case label found matching the expression the default label is executed and the code continues to fall through until it encounters a break.

http://www.jchq.net/tutorial/04_01Tut.htm


Answer 14)

Back to Question 14)
Objective 5.1

2,3

Example 1 will not compile because if must always test a boolean. This can catch out C/C++ programmers who expect the test to be for either 0 or not 0.

http://www.jchq.net/tutorial/05_01Tut.htm


Answer 15)

Back to Question 15)
Objective 11.5)

3) No such file found, doing finally, -1

The no such file found message is to be expected, however you can get caught out if you are not aware that the finally clause is almost always executed, even if there is a return statement.

http://www.jchq.net/tutorial/11_05Tut.htm


Answer 16)

Back to Question 16)
Objective 6.2)

1) Methods cannot be overriden to be more private

Static methods cannot be overriden but they can be overloaded. There is no logic or reason why private methods should not be overloaded. Option 4 is a jumbled up version of the limitations of exceptions for overriden methods

http://www.jchq.net/tutorial/06_02Tut.htm 


Answer 17)

 Back to Question 17)
Objective 6.2)

3) Runtime Exception

Without the cast to sub you would get a compile time error. The cast tells the compiler that you really mean to do this and the actual type of b does not get resolved until runtime. Casting down the object hierarchy as the compiler cannot be sure what has been implemented in descendent classes. Casting up is not a problem because sub classes will have the features of the base classes. This can feel counter intuitive if you are aware that with primitives casting is allowed for widening operations (ie byte to int).

http://www.jchq.net/tutorial/06_02Tut.htm


Answer 18)

Back to question 18)
Objective 5.1)

1) System.out.println( -1 >>> 2);will output a result larger than 10
2) System.out.println( -1 >>> 2); will output a positive number
3) System.out.println( 2 >> 1); will output the number 1

You can test this with the following class

public class shift{

static int i=2;

public static void main(String argv[]){
        System.out.println( -1  >>> 2);
        System.out.println( -1  >>> 2);
        System.out.println( 2  >> 1);

        }

}

Java does not have a <<< operator. The operation 1 << 2 would output 4

Because of the way twos complement number representation works the unsigned right shift operation means a small shift in a negative number can return a very large value so the output of option 1 will be much larger than 10.

The unsigned right shift places no significance on the leading bit that indicates the sign. For this shift the value 1 of the bit sign is replaced with a zero turning the result into a positive number for option 2.

http://www.jchq.net/tutorial/05_01Tut.htm


Answer 19)

Back to Question 19)
Objective 7.1)

4) Compilation and probably output of "vandelur" but possible output of "vandeleur 0 1 2 3"

If that seems a vauge answer it is because you cannot be certain of the system that the underlying OS uses for allocating cycles for a Thread. The chances are that once the thread has been spun off in the call to start in the method piggy the main method will run to completion and the value of sName will still be vandeluer before the Thread modifies it. You cannot be certain of this though.

http://www.jchq.net/tutorial/07_01Tut.htm


Answer 20)

Back to Question 20)
Objective 8.1)

3) One button occupying the entire frame saying Bye

The default layout manager for a Frame is a border layout. If directions are not given (ie North, South, East or West), any button will simply go in the centre and occupy all the space. An additional button will simply be placed over the previous button. What you would probably want in a real example is to set up a flow layout as in

setLayout(new FlowLayout()); 


Which would allow the buttons to both appear side by side, given the appropriate font and size.
Applets and panels have a default FlowLayout manager

http://www.jchq.net/tutorial/08_01Tut.htm


Answer 21)

Back to Question 21)
Objective 2.2)

1,2

Value for i=1 Value for j=1
Value for i=2 Value for j=1
 

The statement continue outer causes the code to jump to the label outer and the for loop increments to the next number.

http://www.jchq.net/tutorial/02_02Tut.htm


Answer 22)

Objective 7.3)

4) Runtime error, an exception will be thrown

A call to wait/notify must be within synchronized code. With JDK1.2 this code throws theerror message

java.lang.IllegalMonitorStateException: current thread not owner
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:424)
        at DSRoss.notwait(Compiled Code)
        at DSRoss.run(Agg.java:21)

Back to Question 22)
http://www.jchq.net/tutorial/07_03Tut.htm


Answer 23)

Back to Question 23)
Objective 2.3)

2,3

Options 1, & 4 will not compile as they attempt to throw Exceptions not declared in the base class. Because options 2 and 3 take a parameter of type long they represent overloading not overriding and there is no such limitations on overloaded methods.

http://www.jchq.net/tutorial/02_03Tut.htm


Answer 24)

Back to Question 24)
Objective 8.1)

3) System.out.println(Math.ceil(-4.7));

Options 1 and 2 will produce -5 and option 4 will not compile because the min method requires 2 parameters.

http://www.jchq.net/tutorial/08_01Tut.htm


Answer 25)

Back to Question 25
Objective 4.5)

3) Error: Can't convert java lang Integer

The wrapper classes cannot be manipulated as if they were numbers . The code ten + nine is an attempt to use math operations on objects not primitives. Wrapper classes have similar names to primitives but all start with upper case letters. Thus in this case we have int as a primitive and Integer as a wrapper. The objectives do not specifically mention the wrapper classes but don't be surprised if they come up.

http://www.jchq.net/tutorial/04_05Tut.htm


Answer 26)

Back to Question 26)
Objective 4.5)

2) ic

This is a bit of a catch question. Anyone with a C/C++ background would figure out that addressing in strings starts with 0 so that 1 corresponds to i in the string Bicycle. The catch is that the second parameter returns the endcharacter minus 1. In this case it means instead of the "icy" being returned as intuition would expect it is only "ic".

http://www.jchq.net/tutorial/04_05Tut.htm


Answer 27)

Back to Question 27)
Objective 9.2)

3) s.indexOf('v');

charAt returns the letter at the position rather than searching for a letter and returning the position, MID is just to confuse the Basic Programmers, indexOf(s,'v'); is how some future VB/J++ nightmare hybrid, might perform such a calculation.

http://www.jchq.net/tutorial/04_05Tut.htm


Answer 28)

Objective 5.1)
Back to Question 28

1) s3=s1 + s2;

Java does not allow operator overloading as in C++, but for the sake of convenience the + operator is overridden for strings.

http://www.jchq.net/tutorial/05_01Tut.htm


Answer 29)

Back to Question 29)
Objective 5.3)

4) 7

The | is known as the Or operator, you could think of it as the either/or operator. Turning the numbers into binary gives

4=100

3=011

For each position, if either number contains a 1 the result will contain a result in that position. As every position contains a 1 the result will be

111

Which is decimal 7.

http://www.jchq.net/tutorial/05_03Tut.htm


Answer 30)

Back to Question 30
Objective 4.1)

1,2,3

public, private, static are all legal access modifiers for this inner class.

http://www.jchq.net/tutorial/04_01Tut.htm


Answer 31)

Back to Question 31
Objective 7.1

3) Output of first0, first1, second0, second1

Note that this code overrides and calls the start method. If you wished to get the output mixed you would need to override the run method but call the start method.

http://www.jchq.net/tutorial/07_01Tut.htm


Answer 32)

Back to Question 32)
Objective 8.1)
 

2) setLayout(new GridLayout(2,2));
 

Changing the layout manager is the same for an Applet or an application. Answer 1 is wrong though it might have been a reasonable name for the designers to choose. Answers 3 and 4 are incorrect because changing the layout manager always requires an instance of one of the Layout Managers and these are bogus methods.

Instead of creating the anonymous instance of the Layout manager as in option 2 you can also create a named instance and pass that as a parameter. This is often what automatic code generators such as Borland/Inprise JBuilder do.

http://www.jchq.net/tutorial/08_01Tut.htm


Answer 33)

Back to Question 33)
Objective 7.1)
 

3) The code will cause an error at compile time

The error is caused because run should have a void not an int return type.

Any class that is implements an interface must create a method to match all of the methods in the interface. The Runnable interface has one method called run that has a void return type.The sun compiler gives the error

Method redefined with different return type: int run() was defined as void run();

http://www.jchq.net/tutorial/07_01Tut.htm


Answer 34)

Back to Question 34)
Objective 7.1)

3) Compilation and output of 0 followed by 1

The creation of an anonymous class as a parameter to go is fairly strange as you would expect it to override a method in its parent class (Turing). You don't have to though. The fact that class Turing extends Thread means the anonymous instance that is passed to go has a start method which then calls the run method.

http://www.jchq.net/tutorial/07_01Tut.htm


Answer 35)

Back to Question 35
Objective 5.1)
 

4) Compile time error
 

The only operator overloading offered by java is the + sign for the String class. A char is a 16 bit integer and cannot be concatenated to a string with the + operator.

http://www.jchq.net/tutorial/05_01Tut.htm


Answer 36)

Back to Question 36
Objective 5.2)

3) if(s.equalsIgnoreCase(s2))

String comparison is case sensitive so using the equals string method will not return a match. Using the==operator just compares where memory address of the references and noCaseMatch was just something I made up to give me a fourth slightly plausible option.

http://www.jchq.net/tutorial/05_02Tut.htm


Answer 37)

Back to Question 37
Objective 8.1)

1) s.setBackground(Color.pink);

For speakers of the more British spelt English note that there is no letter u in Color. Also the constants for colors are in lower case.

http://www.jchq.net/tutorial/08_01Tut.htm


Answer 38)

Back to Question 38)
Objective 11.1)

4) The File class does not support directly changing the current directory.

This seems rather surprising to me, as changing the current directory is a very common requirement. You may be able to get around this limitation by creating a new instance of the File class passing the new directory to the constructor as the path name.

http://www.jchq.net/tutorial/11_01Tut.htm


Answer 39)

Back to Question 39)
Objective 8.1)

1)With a fixed font you will see 5 characters, with a  proportional it will depend on the width of the characters

With a proportional font the letter w will occupy more space than the letter i. So if you have all wide characters you may have to scroll to the right to see the entire text of a TextField.

http://www.jchq.net/tutorial/08_01Tut.htm


Answer 40)

Back to Question 40)
Objective 6.2

3) On the line After //Two put super(10);

Constructors can only be invoked from within constructors.

http://www.jchq.net/tutorial/06_02Tut.htm


Answer 41)

Back to Question 41)
Objective 5.4)

3) 10 and 40

when a parameter is passed to a method the method receives a copy of the value. The method can modify its value without affecting the original copy. Thus in this example when the value is printed out the method has not changed the value.

http://www.jchq.net/tutorial/05_04Tut.htm


Answer 42)

Back to Question 42
Objective 1.1

4) for(int i=0; i< ia.length;i++)

Although you could control the looping with a literal number as with the number 4 used in option 3, it is better practice to use the length property of an array. This provides against bugs that might result if the size of the array changes. This question also checks that you know that arrays starts from zero and not One as option 3 starts from one. Remember that array length is a field and not a function like the String length() method.

http://www.jchq.net/tutorial/01_01Tut.htm


Answer 43)

Back to Question 43)
Objective 1.2

1) Error at compile time

This is a slightly sneaky one as it looks like a question about constructors, but it is attempting to test knowledge of the use of the private modifier. A top level class cannot be defined as private. If you didn't notice the modifier private, remember in the exam to be real careful to read every part of the question.

http://www.jchq.net/tutorial/01_02Tut.htm


Answer 44)

Back to Question 44
Objective 4.5)

3)10

The name of the class might give you a clue with this question, Oct for Octal. Prefixing a number with a zero indicates that it is in Octal format. Thus when printed out it gets converted to base ten. 012 in octal means the first column from the right has a value of 2 and the next along has a value of one times eight. In decimal that adds up to 10.

http://www.jchq.net/tutorial/04_05Tut.htm


Answer 45)

Back to Question 45
Objective 1.2)

1) Error at compile time

The variable i is created at the level of amethod and will not be available inside the method multi.

http://www.jchq.net/tutorial/01_02Tut.htm


Answer 46)

Back to Question 46
Objective 10.1)

1) Set

The Set interface ensures that its elements are unique, but does not order the elements. In reality you probably wouldn't create your own class using the Set interface. You would be more likely to use one of the JDK classes that use the Set interface such as HashSet or TreeSet.

http://www.jchq.net/tutorial/10_01Tut.htm


Answer 47)

Back to Question 47
Objective 10.1)

4) Vector v=new Vector(100);
v.addElement("99")

A vector can only store objects not primitives. The parameter "99" for the addElement method pases a string object to the Vector. Option 1) creates a vector OK but then uses array syntax to attempt to assign a primitive. Option 2 also creates a vector then uses correct Vector syntax but falls over when the parameter is a primitive instead of an object.

http://www.jchq.net/tutorial/10_01Tut.htm


Answer 48)

Objective 8.1)
Back to Question 48

3) The lower part of the word Dolly will be seen at the top of the form

The Second parameter to the drawstring method indicates where the baseline of the string will be placed. Thus the 3rd parameter of 10 indicates the Y coordinate to be 10 pixels from the top of the Frame. This will result in just the bottom of the string Dolly showing up or possibly only the descending part of the letter y.

http://www.jchq.net/tutorial/08_01Tut.htm


Answer 49)

Back to Question 49)
Objective 9.1)

1) Compile time error referring to a cast problem

This is a bit of a sneaky one as the Math.random method returns a pseudo random number between 0 and 1, and thus option 3 is a plausible Answer. However the number returned is a double and so the compiler will complain that a cast is needed to convert a double to an int.

http://www.jchq.net/tutorial/09_01Tut.htm


Answer 50)

Objective 2.3)
Back to question 50

1) public void ioCall ()throws IOException{

 DataInputStream din = new DataInputStream(System.in);

 din.readChar();

 }

If a method might throw an exception it must either be caught within the method with a try/catch block, or the method must indicate the exception to any calling method by use of the throws statement in its declaration. Without this, an error will occur at compile time.

http://www.jchq.net/tutorial/02_03Tut.htm


Answer 51)

Objective 1.2)
Back to Question 51)

3) A compile time error

Because only one instance of a static method exists not matter how many instance of the class exists it cannot access any non static variables. The JVM cannot know which instance of the variable to access. Thus you will get an error saying something like

Can't make a static reference to a non static variable

http://www.jchq.net/tutorial/01_02Tut.htm


Answer 52)

Objective 8.2)
Back to Question 52)
 

2) Create an instance of the GridBagConstraints class, set the weightx field and then pass the GridBagConstraints instance with the component to the setConstraints method of the GridBagLayout class.
 

The Key to using the GridBagLayout manager is the GridBagConstraint class. This class is not consistent with the general naming conventions in the java API as you would expect that weightx would be set with a method, whereas it is a simple field (variable).

If you have a copy of the Roberts and Heller Java2 Guide that says the exam does not cover the GridBagLayout, this is an error. You can confirm this by looking at the online errata at

http://www.sybex.com/cgi-bin/rd_err_temp.pl?2463err.html

http://www.jchq.net/tutorial/08_02Tut.htm


Answer 53)

Objective 11.1)
Back to Question 53)

2) Return the name of the parent directory
3) Delete a file

It is surprising that you can't change the current directory. It is not so surprising that you can't tell if a file contains text or binary information.

http://www.jchq.net/tutorial/11_01Tut.htm


Answer 54)

Back to Question 54)
Objective 7.1

2) Output of One One Two Two

Answer 3 would would be true if the code called the start method instead of the run method (well it is on my Windows machine anyway, I'm not sure it would be for ever implementation of Java Threads). If you call the run method directly it just acts as any other method and does not return to the calling code until it has finished executing.
http://www.jchq.net/tutorial/07_01Tut.htm


Answer 55)

Objective 3.1)
Back to Question 55)

1) You cannot be certain when garbage collection will run

Although there is a Runtime.gc(), this only suggests that the Java Virtual Machine does its garbage collection. You can never be certain when the garbage collector will run. Roberts and Heller is more specific abou this than Boone. This uncertainty can cause consternation for C++ programmers who wish to run finalize methods with the same intent as they use destructor methods.

http://www.jchq.net/tutorial/03_01Tut.htm


Answer 56)

Objective 8.1)
Back to Question 56)

4) The fill field of the GridBagConstraints class

Unlike the GridLayout manager you can set the individual size of a control such as a button using the GridBagLayout manager. A little background knowledge would indicate that it should be controlled by a setSomethingOrOther method, but it isn't.

If you have a copy of the Roberts and Heller Java2 Guide that says the exam does not cover the GridBagLayout, this is an error. You can confirm this by looking at the online errata at

http://www.sybex.com/cgi-bin/rd_err_temp.pl?2463err.html

http://www.jchq.net/tutorial/08_01Tut.htm


Answer 57)

Objective 10.1)
Back to Question 57)

4) A collection for storing bits as on-off information, like a vector of bits

This is the description given to a bitset in Bruce Eckels "Thinking in Java" book. The reference to unique sequence of bits was an attempt to mislead because of the use of the word Set in the name bitset. Normally something called a set implies uniqueness of the members, but not in this context.

http://www.jchq.net/tutorial/10_01Tut.htm


Answer 58)

Back to Question 58)
Objective 4.1)

4)Compile error: Superclass Class1.Base of class Class1.Class1 not found

Using the package statement has an effect similar to placing a source file into a different directory. Because the files are in different packages they cannot see each other. The stuff about File1 not having been compiled was just to mislead, java has the equivalent of an "automake", whereby if it was not for the package statements the other file would have been automatically compiled.

http://www.jchq.net/tutorial/04_01Tut.htm


Answer 59)

Back to Question 59)
Objective 6.2)

4) Output of Over.amethod()

The names of parameters to an overridden method is not important.

http://www.jchq.net/tutorial/06_02Tut.htm


Answer 60)

Objective 8.1)
Back to Question 60)

1) Set the gridy value of the GridBagConstraints class to a value increasing from 1 to 4

Answer 4 is fairly obviously bogus as it is the GridBagConstraints class that does most of the magic in laying out components under the GridBagLayout manager. The fill value of the GridBagConstraints class controls the behavior inside its virtual cell and the ipady field controls the internal padding around a component.

If you have a copy of the Roberts and Heller Java2 Guide that says the exam does not cover the GridBagLayout, this is an error. You can confirm this by looking at the online errata at

http://www.sybex.com/cgi-bin/rd_err_temp.pl?2463err.html

http://www.jchq.net/tutorial/08_01Tut.htm


1) Objective 4.5
2) Objective 4.1
3) Objective 4.1
4) Objective 4.5
5) Objective 4.2
6) Objective 4.3
7) Objective 4.1
8) Objective 4.4
9) Objective 4.4
10)Objective 4.4
11)Objective 1.2
12)Objective 2.1
13) Objective 2.1
14) Objective 5.1
15) Objective 5.11
16) Objective 6.2
17) Objective 6.2
18) Objective 5.1
19) Objective 7.1
20 ) Objective 8.1
21) Objective 2.2
22) Objective 7.3
23) Objective 2.3
24) Objective 9.1
25) Objective 4.5
26) Objective 4.5
27) Objective 9.2
28) Objective 5.3
29) Objective 5.3
30) Objective 4.1
31) Objective 7.1
32) Objective 8.1
33) Objective 7.1
34) Objective 7.1
35) Objective 5.1
36) Objective 5.2
37) Objective 8.1
38) Objective 11.1
39) Objective 8.1
40) Objective 6.2
41) Objective 5.4
42) Objective 1.1
43) Objective 1.2
44) Objective 4.5
45) Objective 1.2
46) Objective 10.1
47) Objective 10.1
48) Objective 8.1
49) Objective 2.3
50) Objective 2.3
51) Objective 1.2
52) Objective 8.2
53) Objective 11.1
54) Objective 7.1
55) Objective 3.1
56) Objective 8.1
57) Objective 10.1
58) Objective 4.1
59) Objective 6.2
60) Objective 8.1


End of Document