String comparision example

package com.pk.com;

public class Example {
	public static void main(String[] args) {
		String s = "abc";
		String s2 = "abc";
		String s3 = new String("abc");
		if (s == s2)
			System.out.println("true");
		else
			System.out.println("false");
		if (s.equals(s2))
			System.out.println("true");
		else
			System.out.println("false");
		if (s == s3)
			System.out.println("true");
		else
			System.out.println("false");
		if (s.equals(s3))
			System.out.println("true");
		else
			System.out.println("false");
	}

}