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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. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10.     public static void main(String[] args) {
  11.         new B(6);
  12.     }
  13.  
  14.     public static class A {
  15.         private int f1 = 7;
  16.  
  17.         public A(int f1) {
  18.             this.f1 = f1;
  19.             initialize();
  20.         }
  21.  
  22.         protected void initialize() {
  23.         	System.out.println("A init");
  24.             System.out.println(f1);
  25.         }
  26.     }
  27.  
  28.     public static class B extends A {
  29.         protected int f1 = 3;
  30.         public B(int f1) {
  31.             super(f1);
  32.             this.f1 += f1;
  33.             initialize();
  34.         }
  35.  
  36.         protected void initialize() {
  37.         	System.out.println("B init");
  38.             System.out.println(f1);
  39.         }
  40.     }
  41. }
Success #stdin #stdout 0.07s 2841600KB
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Standard input is empty
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B init
0
B init
9
https://ideone.com/oC2dpK
language:
Java (HotSpot 12)
created:
5 years ago
visibility:
public

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