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Get Synchronized Set from Java HashSet example

  1. /*
  2.   Get Synchronized Set from Java HashSet example
  3.   This java example shows how to get a synchronized Set from Java HashSet using
  4.   synchronizedSet method of Collections class.
  5. */
  6.  
  7. import java.util.HashSet;
  8. import java.util.Collections;
  9. import java.util.Set;
  10.  
  11. public class GetSynchronizedSetFromHashSetExample {
  12.  
  13.   public static void main(String[] args) {
  14.     //create HashSet object
  15.     HashSet hashSet = new HashSet();
  16.    
  17.     /*
  18.       Java HashSet is NOT synchronized. To get synchronized Set from
  19.       HashSet use
  20.       static void synchronizedSet(Set set) method of Collections class.
  21.     */
  22.    
  23.     Set set = Collections.synchronizedSet(hashSet);
  24.    
  25.     /*
  26.        Use this set object to prevent any unsynchronized access to original
  27.        HashSet object.
  28.     */
  29.    
  30.   }
  31. }