Skip to Content
Home » Java Collections And Data Structures ( java.util package ) » Collections » Get Synchronized Map from Java HashMap example

Get Synchronized Map from Java HashMap example

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

Receive Latest Java examples in your email: 

Related Java Examples

Check if a particular value exists in Java HashMap example
Check if a particular key exists in Java HashMap example
Remove value from Java HashMap example
Remove all values from Java HashMap example
Get Size of Java HashMap Example
Simple Java HashMap example
Get Set view of Keys from Java HashMap example
Iterate through the values of Java HashMap example