.NET Framework 4 introduces a new method on its String class called IsNullOrWhiteSpace that checks whether a provided String is null, empty, or consists only of "white space." This handy method is ...

Use the Scanner’s next () or nextLine() methods to convert user input into the appropriate type. Use the Java user input in your program. Java Scanner import example Found in the java.util package, ...

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.