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  1. import java.util.*;
  2. class M{
  3.   static void c(Map m){List t=new ArrayList(m.values());Collections.shuffle(t);Iterator i=t.iterator();for(Object k:m.keySet())m.put(k,i.next());}
  4.  
  5.   public static void main(String[]a){
  6.     for(int i=0;i<10;i++){
  7.       Map m=new HashMap();
  8.       m.put(0, 10);
  9.       m.put(1, 10);
  10.       m.put(5, 5);
  11.       c(m);
  12.       System.out.println(m);
  13.     }
  14.   }
  15. }
Success #stdin #stdout 0.04s 711168KB
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Standard input is empty
stdout
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{0=10, 1=5, 5=10}
{0=10, 1=10, 5=5}
{0=10, 1=5, 5=10}
{0=10, 1=10, 5=5}
{0=10, 1=5, 5=10}
{0=5, 1=10, 5=10}
{0=10, 1=10, 5=5}
{0=5, 1=10, 5=10}
{0=10, 1=10, 5=5}
{0=10, 1=10, 5=5}
https://ideone.com/YWlSLH
language:
Java (12.0.1)
created:
7 years ago
visibility:
public

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