Answer 1

Here are some examples:
JavaScript
https://code.sololearn.com/W27YCe6wN04Q/?ref=app
https://code.sololearn.com/W0BR51knWpQ0/?ref=app
https://code.sololearn.com/WvQSXDWMLUBe/?ref=app

Java
https://code.sololearn.com/ct96x6wCL13A/?ref=app
https://code.sololearn.com/cpDr9CorwEl8/?ref=app
https://code.sololearn.com/cGLE3T6gXZGu/?ref=app

I provided references based on your tag (JavaScript) and your question (Java). I wasn't sure which one you were looking for