Suppose that $s1,s2,$ and s$3$ are three strings, given as follows:

String $s1=$ WelcometoJava;

String $s2=$ Programmingisfun;

String $s3=$ WelcometoJava;

What is the result of the following expression?

$s1==s3$

true

$0$

false

"Welcome to Java"