Java tutorial
public class Main { public static void main(String[] args) { String s1 = "Hello World"; String s2 = new String("Hello World"); if (s1.equals(s2)) { System.out.println("String is equal"); } else { System.out.println("String is unequal"); } if (s1 == s2) { System.out.println("String is equal"); } else { System.out.println("String is unequal"); } } }