Method references in Java are part of the broader set of features introduced and enhanced in Java 8 and beyond. They are a concise way to refer to methods of classes or objects.

Java String length() example. Here is a simple example of how to find the length of a String in Java and print the value out to the console: String javaString = " String le ngth example "; int ...

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.