Question

How to synchronized Map from HashMap in Java

Answer 1

package javaapplication1;

import java.util.Collections;
import java.util.HashMap;
import java.util.Map;

public class JavaApplication1 {

    public static void main(String[] args) {
     
        HashMap hMap = new HashMap();
    
        hMap.put("1", "Java");
        hMap.put("2", "C++");
        hMap.put("3", "C");
        hMap.put("4", "C#");
        hMap.put("5", "PHP");
        
        Map map = Collections.synchronizedMap(hMap);
        
        System.out.println(map);
  }
}
 
/*

run:

{1=Java, 2=C++, 3=C, 4=C#, 5=PHP}

*/

 

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