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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4.  
  5. class Ideone
  6. {
  7.   static class Duck {
  8.     static int duckCount = 0;
  9.     int duckIndex;
  10.  
  11.     public Duck(){
  12.       duckIndex = ++duckCount;
  13.     }
  14.   }
  15.  
  16.  
  17.   public static void main(String[] args) {
  18.     Duck duck = new Duck();
  19.     Duck duck1 = new Duck();
  20.     System.out.println(duck.duckIndex);
  21.     System.out.println(duck1.duckIndex);
  22.   }
  23. }
Success #stdin #stdout 0.04s 2184192KB
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https://ideone.com/nP27RE
language:
Java (HotSpot 12)
created:
5 years ago
visibility:
public

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