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Listing 4 . Listing for Question 4.
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

Answer and Explanation

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.
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

Answer and Explanation

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

Answer and Explanation

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

Answer and Explanation

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

Answer and Explanation

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

Answer and Explanation

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

Questions & Answers

if three forces F1.f2 .f3 act at a point on a Cartesian plane in the daigram .....so if the question says write down the x and y components ..... I really don't understand
Syamthanda Reply
hey , can you please explain oxidation reaction & redox ?
Boitumelo Reply
hey , can you please explain oxidation reaction and redox ?
Boitumelo
for grade 12 or grade 11?
Sibulele
the value of V1 and V2
Tumelo Reply
advantages of electrons in a circuit
Rethabile Reply
we're do you find electromagnetism past papers
Ntombifuthi
what a normal force
Tholulwazi Reply
it is the force or component of the force that the surface exert on an object incontact with it and which acts perpendicular to the surface
Sihle
what is physics?
Petrus Reply
what is the half reaction of Potassium and chlorine
Anna Reply
how to calculate coefficient of static friction
Lisa Reply
how to calculate static friction
Lisa
How to calculate a current
Tumelo
how to calculate the magnitude of horizontal component of the applied force
Mogano
How to calculate force
Monambi
a structure of a thermocouple used to measure inner temperature
Anna Reply
a fixed gas of a mass is held at standard pressure temperature of 15 degrees Celsius .Calculate the temperature of the gas in Celsius if the pressure is changed to 2×10 to the power 4
Amahle Reply
How is energy being used in bonding?
Raymond Reply
what is acceleration
Syamthanda Reply
a rate of change in velocity of an object whith respect to time
Khuthadzo
how can we find the moment of torque of a circular object
Kidist
Acceleration is a rate of change in velocity.
Justice
t =r×f
Khuthadzo
how to calculate tension by substitution
Precious Reply
hi
Shongi
hi
Leago
use fnet method. how many obects are being calculated ?
Khuthadzo
khuthadzo hii
Hulisani
how to calculate acceleration and tension force
Lungile Reply
you use Fnet equals ma , newtoms second law formula
Masego
please help me with vectors in two dimensions
Mulaudzi Reply
how to calculate normal force
Mulaudzi
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Source:  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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