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

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

Use @Param for query method parameters, or when on Java 8+ use the javac flag -parameters.; nested exception is java.lang.IllegalStateException: For queries with named parameters you need to use ...

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.