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

Use ForkJoinPool to break down computationally intensive tasks and execute them in parallel for better Java application performance.

Need to add multiple values to a key in a Java HashMap but can't figure out how to do it? Here are three examples of how to solve the multiple values per key problem in Java.

How to Assign Random Numbers to an Array in Java. Java has a "Random" class that lets you generate a random number you use to implement calculations in your Java source code.

The Java "Random" class lets you generate a random number for your Java apps. You use this number generator to randomize images shown in your apps. You load the images into an array, randomly ...