Rectangle class that models a rectangle's properties and behaviors. The class includes methods for calculating its perimeter and area, as well as constructors and accessors for its attributes.

Hi, I'm having trouble setting a consistent background color for a Dialog. My Dialog extends JDialog. I add a JOptionPane to the Dialog using setContentPane(optionpane). <BR>The optionpane contains ...

This Java program uses the Swing library to create a graphical user interface (GUI) for a typing speed test application. Below is a description of the code libraries and their purposes within the ...