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  1. import java.util.*;
  2. import java.lang.*;
  3.  
  4. class Main
  5. {
  6. 	public static void main (String[] args) throws java.lang.Exception
  7. 	{
  8.         Map<Integer, String> hm = new HashMap<>();
  9.         hm.put(0, "zero");
  10.         hm.put(1, "one");
  11.  
  12.         for (Integer key : hm.keySet()) {
  13.             System.out.println(key);
  14.             System.out.println(hm.get(key));
  15.         }
  16.     }
  17. }
Success #stdin #stdout 0.07s 381248KB
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Standard input is empty
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0
zero
1
one
https://ideone.com/sx3F0K
language:
Java (12.0.1)
created:
11 years ago
visibility:
public

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