Here's how to make classes, fields, methods, constructors, and objects work together in your Java programs.

Java reference objects make caching easy Reference objects aren't just useful when memory is at a premium; they can also be used to provide slick caching abilities to any application.

In order to add such a feature, you need to understand how Java controls data. Developers use variables in Java to hold data, with all variables having a data type and a name.

This post shows readers how to create an array in Java. Including: Array Lists, multidimensional arrays, maps, and more.