For new Java programmers, the JOptionPane class is a great visual and user-friendly introduction to user input and Swing-based programming. Here's how to get started.

Scanner Class: The program uses the Scanner class to read user input from the console. Input Prompts: The user is prompted to enter specific values (e.g., side lengths, angles) based on the type of ...

Java’s Scanner class makes it easy to get input from the user, which allows simple programs to quickly become interactive. And a little bit of interactivity always makes learning how to program a ...

Getting user input To get user input in Java you must first import the Scanner class from the java.util package. Importing packages in Java must be done at the start of your code.