This tutorial demonstrates the power of lambda expressions by contrasting implementations of a mathematical example using C++, Java without lambdas, and Java 8 with lambda expressions.

However, they must contain a main method that can be launched, a requirement enforced by the Java compiler. This new feature allows developers to write programs without explicit class declarations.

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

Interested in Java functional programming? The first place you need to start, especially if you use the Streams API, is with this Java Function interface example.

Use Java method modifiers to avoid public method antipattern Follow best practices for Java method design, and don't allow one public class to call another. If you skipped this step, be prepared to ...

Java’s collections like arrays and lists are foundational building blocks. Functional programming techniques are at times the ideal way to work with these collections.

Using the walk () method in Java 8 and onwards This programming tutorial will demonstrate how to utilize each of the above techniques to navigate a directory structure in Java.