This post explains how to call a method in Java. Learn how to define methods, call them from other classes, and pass arguments!

We discuss how to work with directories, sub-directories, and traverse them using Java and the DirectoryStream method. Learn more.

The Java Scanner class provides the following self-explanatory methods: nextInt() nextByte() nextBoolean() nextFloat() nextDouble() nextLong() nextShort() But the one method it doesn’t have is ...

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

Do you need to know how to sort Java objects in a collection, array, or map? Here's how to use the Comparable and Comparator interfaces and avoid ClassCastExceptions.