Why 4?

Question

Why answer is 4 instead of 16?

Answer 1

https://www.sololearn.com/Discuss/321242/?ref=app

Answer 2

because 4 instead of 16
too easy
non mais allo quoi

Answer 3

Because...
when the code is compiled JVM looks at main method first and x was already defined as 4 and in square method new variable x was again created in its parameter whose value is 4 and System.out.println does it work afterwards. Method doesn't execute at all.