package strings;

public class CompareStrings {

public static void main(String[] args) {

String s1 = "Ram";

String s2 = "Ram";

String s3 = new String("Ram");

String s4 = new String("Ram");

String s5 = "Shyam";

String s6 = null;

String s7 = null;

try {

System.out.println("\nComparing String with equals(): ");

System.out.println(s1.equals(s2));

System.out.println(s1.equals(s3));

System.out.println(s3.equals(s4));

//System.out.println(s6.equals(s7)); // NullPointerException

System.out.println("\nComparing String with ==:");

System.out.println(s1 == s2);

System.out.println(s1 == s3);

System.out.println(s1 == s4);

System.out.println(s6 == s7);

System.out.println("\nComparing String with compareTo():");

System.out.println(s1.compareTo(s3));

System.out.println(s1.compareTo(s5));

//System.out.println(s6.compareTo(s7)); // NullPointerException

} catch (Exception e) {

System.out.println("Exception: " + e);

e.printStackTrace();

}

}

}