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 ...

This post explains how to use classes in Java to build objects and organize your code. Also learn: constructors, static methods, and more!

While designing the class structure, you might find that some classes share functionality with other classes. In that case, you can extend classes by creating subclasses to prevent duplication of ...

For example, the following code creates an example of the DDATA class representing the data set sasuser.x. The data set will be opened in input mode and has two variables.

What is a Java string? A Java string is a sequence of characters that exists as an object of the class java.lang. Java strings are created and manipulated through the string class. Once created, a ...