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().

Note the letter ‘f’ in the Java Console’s printf method. The difference between print() and printf() is the ability to easily output formatted text. To demonstrate, replace the line which adds the ...

To close an input stream and release any system resources used by the stream, use the close method as follows: The Java I/O facilities add a simple and standardized API for reading and writing ...

Java programs without a graphical user interface ... that should be applied to the output, and the second input is the output itself. To print three integer values with a maximum of three ...

User input in Java made easy Learn the best ways to handle input from the Java user, and how to format any console output with printf. With pure text Strings, the only flag that makes sense is the ...

In this article, we’ll take a tour of building sophisticated interactive command-line interface (CLI) applications and REPLs (read–eval–print loops, or interactive shells) in Java.