package string; public class StringComparisonEx { public static void main(String[] args) { String s1 = "Hello"; String s2 = "Hello"; System.out.println("s1 == s2 -> " + (s1 == s2)); System.out.println("s1.equals(s2) -> " + s1.equals(s2)); String s3 = new String("Hello"); String s4 = new String("Hello"); System.out.println("s3 == s4 -> " + (s3 == s4)); System.out.println("s3.equals(s4) -> " + s3.equals(s4)); System.out.println(" s1 == s3 ->" + (s1 == s3)); System.out.println(" s1.equals(s3) ->" + s1.equals(s3)); System.out.println(s3 == "Hello"); // here "Hello" is string literal // Compares two strings lexicographically ? s1.compareTo(s4); // intern will check if already "Hello" is in String Pool // If yes then return reference // if no then put value in String pool String s5 = new String("Hello").intern(); System.out.println("s1==s5 -> " + (s1 == s5)); // true System.out.println(s1.equals(s5)); } }