class Codeaft { public static void main(String args[]) { String s1="HELLO WORLD"; String s2=s1; String s3="Hello World"; boolean b; b=s1.equals(s2); System.out.println(b); b=s2.equals(s3); System.out.println(b); b=s1.equalsIgnoreCase(s3); System.out.println(b); } }
codeaft@codeaft:~$ javac Codeaft.javacodeaft@codeaft:~$ java Codeaft true false true codeaft@codeaft:~$