Answer 1

1. Import the Scanner Class : import java.util.Scanner;

2. Create an object of the class : Scanner Obj = new Scanner(System.in);

3. Read user input : String userInput = Obj.nextLine();

Then the user input will be stored in "userInput" and you can use it in a condition, to display, ...

I didn't get what you mean by "access to the other class".

Hope this will help.