Question

How to synchronized Set from TreeSet in Java

Answer 1

package javaapplication1;

import java.util.Collections;
import java.util.Set;
import java.util.TreeSet;

public class JavaApplication1 {

    public static void main(String[] args) {
     
        TreeSet treeSet = new TreeSet();
         
        treeSet.add("Java");
        treeSet.add("C");
        treeSet.add("C++");
        treeSet.add("C#");
        treeSet.add("PHP");
        treeSet.add("JavaScript");
        treeSet.add("Python");
        
        Set set = Collections.synchronizedSet(treeSet);
        
        System.out.println(set);
  }
}
 
/*

run:

[C, C#, C++, Java, JavaScript, PHP, Python]

*/

 

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