public class EqTest4 { public static void main(String[] argv) { EqTest4 e = new EqTest4(); } EqTest4() { String s1 = "Java"; String s2 = "Java"; String s3 = "java"; if (s1.equals(s2)) { System.out.println("Equal"); } else { System.out.println("Not equal"); } if (s1.equalsIgnoreCase(s3)) { System.out.println("Equal"); } else { System.out.println("Not equal"); } } }