Simple way to read user input without importing scanner class.

Answer 1

All other methods of taking input are just as difficult, if not more difficult than the Scanner.

But, you can use:
* Console class
* Buffered Reader class
* Swing library (JOption Pane)

Since I'm lazy, here's the code for them:
https://stackoverflow.com/questions/14898902/different-ways-to-get-inputs-in-java

*JOptionPane will not work on CodePlayground*

Answer 2

In order to read output, you will need to import the scanner class.