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Listing 4 . Listing for Question 4. |
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public class Ap103{
public static void main(String args[]){new Worker().finalStuff();
}//end main()}//end class definition
class Worker{public void finalStuff(){
public final int x = 5;System.out.println(x);
}//end finalStuff()}// end class |
Question 5
What output is produced by the program shown in Listing 5 ?
- A. Compiler Error
- B. Runtime Error
- C. 5
- D. None of the above
Listing 5 . Listing for Question 5. |
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public class Ap104{
public static void main(String args[]){new Worker().finalStuff();
}//end main()}//end class definition
class Worker{void finalStuff(){
final int x = 5;System.out.println(x);
}//end finalStuff()}// end class |
Question 6
What output is produced by the program shown in Listing 6 ?
- A. Compiler Error
- B. Runtime Error
- C. 3.141592653589793
- D. 3.1415927
- E. None of the above
Listing 6 . Listing for Question 6. |
---|
public class Ap105{
public static void main(String args[]){System.out.println(Worker.fPi);
}//end main()}//end class definition
class Worker{public static final float fPi =
(float)Math.PI;}// end class |
Question 7
What output is produced by the program shown in Listing 7 ?
- A. Compiler Error
- B. Runtime Error
- C. A static method
- D. None of the above
Listing 7 . Listing for Question 7. |
---|
public class Ap106{
public static void main(String args[]){Worker.staticMethod();
}//end main()}//end class definition
class Worker{public static void staticMethod(){
System.out.println("A static method");
}//end staticMethod()}// end class |
Question 8
What output is produced by the program shown in Listing 8 ?
- A. Compiler Error
- B. Runtime Error
- C. 5
- D. None of the above
Listing 8 . Listing for Question 8. |
---|
public class Ap107{
public static void main(String args[]){Worker.staticMethod();
}//end main()}//end class Ap107
class Worker{private int x = 5;
public static void staticMethod(){System.out.println(x);
}//end staticMethod()}// end class |
Question 9
What output is produced by the program shown in Listing 9 ?
- A. Compiler Error
- B. Runtime Error
- C. 5
- D. None of the above
Listing 9 . Listing for Question 9. |
---|
public class Ap108{
public static void main(String args[]){Worker.staticMethod();
}//end main()}//end class Ap108
class Worker{private int x = 5;
public static void staticMethod(){System.out.println(
new Worker().getX());}//end staticMethod()public int getX(){
return x;}//end getX()}// end class |
Question 10
Which output shown below is produced by the program shown in Listing 10 ?
A. Compiler Error
B. Runtime ErrorC. 38.48451000647496
12.566370614359172D. None of the above
Listing 10 . Listing for Question 10. |
---|
public class Ap109{
public static void main(String args[]){
System.out.println(Worker.area(3.5));System.out.println(Worker.area(2.0));
System.out.println();}//end main()
}//end class Ap109class Worker{
public static double area(double r){return r*r*Math.PI;
}//end area()}// end class |
Read also:
OpenStax, Object-oriented programming (oop) with java. OpenStax CNX. Jun 29, 2016 Download for free at https://legacy.cnx.org/content/col11441/1.201
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