Print and format a table with printf Sometimes it’s nice to format the output of a console based Java program in a friendly way. The java.lang package has no built-in table generators, but you can ...

How to use the JOptionPane’s showOptionDialog method Java’s JOptionPane provides a simple way to read input from the user and display information back. The JOptionPane’s list of methods includes many ...

Typically, they interface with both the operating system (OS) and the hardware to give application-level programs access to devices in some standard fashion. (An up front warning: some types of device ...