Tonga Institute of Higher Education Simple Input/Output Tonga Institute of Higher Education

Introduction Programs give output to a user. Programs accept input from a user. A User Interface (UI) is a set of commands or menus through which a user communicates with a program.

Console Application Inputs

Console Application Inputs Demonstration Console Application Inputs

Windows Application Inputs Windows are the most popular user interface. You can have windows on computers running Microsoft Window, Linux, Macintosh and other operating systems. This is a good thing! With Java, you can write 1 program that uses windows on different operating systems.

Displaying a Window This code will bring up a window on any operating system with a Java Virtual Machine. (JVM)

Demonstration Displaying a Window

Obtaining Input From A Window

Obtaining Input From A Window Demonstration Obtaining Input From A Window

Handling Special Inputs

Handling Special Inputs Demonstration Handling Special Inputs