What is the output of the following code?

```
public class Test {
public static void main(String[] args) {
String s1 = new String("Welcome to Java!");
String s2 = new String("Welcome to Java!");

if (s1.equals(s2))
System.out.println("s1 and s2 have the same contents");
else
System.out.println("s1 and s2 have different contents");
}
}```
a. s1 and s2 have the same contents
b. s1 and s2 have different contents

a