In prior Java 101 articles, I referred to the concepts of redirection, standard input device, and standard output device. To demonstrate inputting data, several examples called System.in.read().

An enumerated type specifies a set of related constants as its values ... 1) { System.err.println("usage: java TEDemo amountInPennies"); return; } int pennies = Integer.parseInt(args[0]); for ...

The Java Scanner class provides methods that take String input and convert that String into any Java primitive type you might need, except for one: the char. The Java Scanner class provides the ...

The best way to teach the concept of Java user input to new software developers is to show them how to use the highly visual and user-friendly JOptionPane class from the Swing package. With one simple ...