How to make a List Thread Safe using Collections class in java.

How to make Array List as a Thread safe

Demo.java

package com.deepsingh44.mail;

import java.util.ArrayList;

import java.util.Collections;

public class Demo {

public static void main(String[] args) {

ArrayList<String> list=new ArrayList<>();

list.add("deepsingh44.blogspot.com");

list.add("deepsingh44");

list.add("github.com/deepsingh44");

Collections.synchronizedList(list);

for(String item :list) {

System.out.println(item);

}

}

}

Output :

deepsingh44.blogspot.com

deepsingh44

github.com/deepsingh44