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

Learn three techniques for creating multidimensional arrays in Java, then use the Matrix Multiplication algorithm to multiply elements in a two-dimensional array.

This post explains how to use variables in Java. Learn the primitive types (and what that means) and just why variables are so important for any coding!

Java array size and length Here are the most important concepts developers must know when they size Java arrays and deal with a Java array’s length: The theoretical maximum Java array size is ...