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

Get a deep dive into using method references in your Java programs, including stream operations, event listeners, and constructors and factories.

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

Learn how to use synchronous and asynchronous callbacks in Java—including callbacks with lambda expressions, CompletableFuture, and more.

New developers often confuse the Java array length property with the String class’ length () method. While their functions are similar, the syntax is different. The Java array length property does not ...

The Java array size is set permanently when the array is initialized. The size or length count of an array in Java includes both null and non-null characters. Unlike the String and ArrayList, Java ...