To build an array list, you need to initialize it using our chosen data type, and then we can add each element individually using the add method. We also need to import ArrayList from the Java ...

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

You might know that Java passes by value, but it helps to understand why. Here's what happens when you pass mutable and immutable object references in Java.