Skip to Content

Remove value from Java LinkedHashMap example

  1. /*
  2.   Remove value from Java LinkedHashMap example
  3.   This Java Example shows how to remove a key value pair from
  4.   LinkedHashMap object using remove method.
  5. */
  6.  
  7. import java.util.LinkedHashMap;
  8.  
  9. public class RemoveValueFromLinkedHashMapExample {
  10.  
  11.   public static void main(String[] args) {
  12.    
  13.     //create LinkedHashMap object
  14.     LinkedHashMap lHashMap = new LinkedHashMap();
  15.    
  16.     //add key value pairs to LinkedHashMap
  17.     lHashMap.put("1","One");
  18.     lHashMap.put("2","Two");
  19.     lHashMap.put("3","Three");
  20.  
  21.     /*
  22.       To remove a key value pair from LinkedHashMap use
  23.       Object remove(Object key) method of LinkedHashMap class.
  24.       It returns either the value mapped with the key previously or null if no value
  25.       was mapped.    
  26.     */
  27.    
  28.     Object obj = lHashMap.remove("2");
  29.     System.out.println(obj + " Removed from LinkedHashMap");
  30.    
  31.   }
  32. }
  33. /*
  34. Output would be
  35. Two Removed from LinkedHashMap
  36. */