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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. class Program
  8. {
  9.         public static void  FunF(A o)
  10.         {
  11.             o.F();
  12.         }
  13.         public static void FunG(A o)
  14.         {
  15.             o.G();
  16.         }
  17.  
  18.         public static void main(String[] args)
  19.         {
  20.             A a = new A();
  21.             B b = new B();
  22.  
  23.             System.out.print("Fun(a) output: "); FunF(a);
  24.             System.out.print("Fun(b) output: "); FunF(b);
  25.             System.out.print("Fun(a) output: "); FunG(a);
  26.             System.out.print("Fun(b) output: "); FunG(b); 
  27.  
  28.             System.out.print("a.F output: "); a.F();
  29.             System.out.print("a.G output: "); a.G();
  30.             System.out.print("b.F output: "); b.F();
  31.             System.out.print("b.G output: "); b.G();
  32.  
  33.         }
  34.     }
  35.     class A
  36.     {
  37.         public void F()
  38.         {
  39.             System.out.println("A.F");
  40.         }
  41.  
  42.         public void G()
  43.         {
  44.             System.out.println("A.G");
  45.         }
  46.     }
  47.  
  48.     class B extends A
  49.     {
  50.         public void F()
  51.         {
  52.             System.out.println("B.F");
  53.         }
  54.  
  55.         public void G()
  56.         {
  57.             System.out.println("B.G");
  58.         }
  59.     }
Success #stdin #stdout 0.06s 380224KB
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Standard input is empty
stdout
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Fun(a) output: A.F
Fun(b) output: B.F
Fun(a) output: A.G
Fun(b) output: B.G
a.F output: A.F
a.G output: A.G
b.F output: B.F
b.G output: B.G
https://ideone.com/4ALTIz
language:
Java (12.0.1)
created:
10 years ago
visibility:
public

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