» » How to Add elements to hash map and Display?


  1. package com.instaceofjava; 
  2.  
  3. import java.util.HashMap;
  4. import java.util.Iterator;
  5. import java.util.Map;
  6. import java.util.Map.Entry;
  7.  
  8. public class Mapiterator {
  9.  
  10. public static void main(String[] args) {
  11.  
  12. HashMap map=new HashMap();
  13.  
  14. map.put(1, "indhu");
  15. map.put("d", "sindhu");
  16. map.put("3", "swathi");
  17.  
  18. if(!map.isEmpty()){
  19.  
  20. Iterator it=map.entrySet().iterator();
  21.  
  22. while(it.hasNext()){
  23.  
  24. Map.Entry obj=(Entry) it.next();
  25. System.out.println(obj.getValue());
  26.  
  27. }
  28.  
  29. }
  30.  
  31. }
  32.  
  33. }


Output:

  1. swathi 
  2. indhu
  3. sindhu

Instance Of Java

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