Java's Graphics2D class provides methods to draw primitive shapes, such as lines, rectangles and ellipses. It lacks a method for drawing pixels. You can color a single pixel in a Java drawing by ...

Classes and objects in Java must be initialized before they are used. You’ve previously learned that class fields are initialized to default values when classes are loaded, and that objects are ...

Java interfaces are different from classes, and it’s important to know how to use their special properties in your Java programs. This tutorial introduces the difference between classes and interfaces ...