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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

Ayele, K., 2003. Introductory Economics, 3rd ed., Addis Ababa.
Widad Reply
can you send the book attached ?
Ariel
?
Ariel
What is economics
Widad Reply
the study of how humans make choices under conditions of scarcity
AI-Robot
U(x,y) = (x×y)1/2 find mu of x for y
Desalegn Reply
U(x,y) = (x×y)1/2 find mu of x for y
Desalegn
what is ecnomics
Jan Reply
this is the study of how the society manages it's scarce resources
Belonwu
what is macroeconomic
John Reply
macroeconomic is the branch of economics which studies actions, scale, activities and behaviour of the aggregate economy as a whole.
husaini
etc
husaini
difference between firm and industry
husaini Reply
what's the difference between a firm and an industry
Abdul
firm is the unit which transform inputs to output where as industry contain combination of firms with similar production 😅😅
Abdulraufu
Suppose the demand function that a firm faces shifted from Qd  120 3P to Qd  90  3P and the supply function has shifted from QS  20  2P to QS 10  2P . a) Find the effect of this change on price and quantity. b) Which of the changes in demand and supply is higher?
Toofiq Reply
explain standard reason why economic is a science
innocent Reply
factors influencing supply
Petrus Reply
what is economic.
Milan Reply
scares means__________________ends resources. unlimited
Jan
economics is a science that studies human behaviour as a relationship b/w ends and scares means which have alternative uses
Jan
calculate the profit maximizing for demand and supply
Zarshad Reply
Why qualify 28 supplies
Milan
what are explicit costs
Nomsa Reply
out-of-pocket costs for a firm, for example, payments for wages and salaries, rent, or materials
AI-Robot
concepts of supply in microeconomics
David Reply
economic overview notes
Amahle Reply
identify a demand and a supply curve
Salome Reply
i don't know
Parul
there's a difference
Aryan
Demand curve shows that how supply and others conditions affect on demand of a particular thing and what percent demand increase whith increase of supply of goods
Israr
Hi Sir please how do u calculate Cross elastic demand and income elastic demand?
Abari
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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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