java make string comparison case insensitive

/**
 * @author lautturi.com
 * Java example: compare strings case insensitive in java
 */

import java.util.*;

public class Lautturi {
	
	public static void main(String[] args) {

		String s1 = "Hello Java";
		String s2 = "hello java";

		if (s1.equalsIgnoreCase(s2)) {
			System.out.println("same");
		} else {
			System.out.println("not same");
		}
		
	}
}