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Get Synchronized List from Java ArrayList example

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