Core Java Interview Questions!

Sample code for equals() and == below:

public class Equals {

method equals()

public static void main(String[] args)

{

/* integer-type*/

System.out.println(10 == 20);

/* char-type*/

System.out.println('a' == 'b');

/* char and double type*/

System.out.println('a' == 97.0);

/* boolean type*/

System.out.println(true == true);

}

}

 equals method:

public class Equals{

public static void main(String[] args)

{

String s1 = new String("HELLO");

String s2 = new String("HELLO");

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

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

}

}