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What output is produced by the program shown in Listing 5 ?
| Listing 5 . Listing for Question 5. |
|---|
public class Ap094{
public static void main(String args[]){new Worker().makeObj();
}//end main()}//end class definition
class Worker{public void makeObj(){
Subclass obj = new Subclass();System.out.println(obj);
}//end makeObj()}// end class
class Superclass{private int x;public Superclass(int x){
this.x = x;}//end constructorpublic String toString(){
return "Object containing " + x;}//end toString()public void setX(int x){
this.x = x;}//end setX()
}//end Superclassclass Subclass extends Superclass{
public Subclass(){setX(2);
}//end noarg constructor}//end Subclass |
What output is produced by the program shown in Listing 6 ?
| Listing 6 . Listing for Question 6. |
|---|
public class Ap095{
public static void main(String args[]){new Worker().makeObj();
}//end main()}//end class definition
class Worker{public void makeObj(){
NewClass obj = new NewClass(5);System.out.println(obj);
}//end makeObj()}// end class
class NewClass{private int x = 2;public NewClass(){
}//end constructorpublic NewClass(int x){this.x = x;
}//end constructorpublic String toString(){return "Object containing " + x;
}//end toString()}//end NewClass |
What output is produced by the program shown in Listing 7 ?
| Listing 7 . Listing for Question 7. |
|---|
public class Ap096{
public static void main(String args[]){new Worker().makeObj();
}//end main()}//end class definition
class Worker{public void makeObj(){
NewClass obj = new NewClass();System.out.println(obj);
}//end makeObj()}// end class
class NewClass{private int x;
private double y;private boolean z;public String toString(){
return "Object containing " +x + ", " +
y + ", " + z;}//end toString()
}//end NewClass |
What output is produced by the program shown in Listing 8 ?
| Listing 8 . Listing for Question 8. |
|---|
public class Ap097{
public static void main(String args[]){new Worker().makeObj();
}//end main()}//end class definition
class Worker{public void makeObj(){
NewClass obj = new NewClass(5);System.out.println(obj.getX());
}//end makeObj()}// end class
class NewClass{private int x = 2;public NewClass(){
}//end constructorpublic NewClass(int x){this.x = x;
}//end constructorpublic int getX(){
return x;}//end getX()
}//end NewClass |
What output is produced by the program shown in Listing 9 ?
| Listing 9 . Listing for Question 9. |
|---|
public class Ap098{
public static void main(String args[]){new Worker().makeObj();
}//end main()}//end class definition
class Worker{public void makeObj(){
NewClass obj = new NewClass();obj.setX(10);
System.out.println(obj.getX());}//end makeObj()}// end class
class NewClass{private int y;public void setX(int y){
this.y = y;}//end setX()
public int getX(){return y;
}//end getX()}//end NewClass |
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