Learn how to use lazy instantiation and eager instantiation in your Java programs. Which approach is better? It depends on the scenario.

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.

Learn what the instanceof operator does, how to use it correctly, and how to improve your code with some new features in Java.

Benefits of unnamed classes and instance main methods Instance main methods and unnamed classes, coming in Java 21, will forever change how developers learn Java and bootstrap applications. Why? They ...

Fork and clone this lesson to run the code. Let's add an instance variable isWaggingTail to the Dog class. Each dog will store its own copy of the variable. Let's step through the main method using ...

Describe the bug I tried customized QuarkusMain method as shown in https://quarkus.io/guides/lifecycle#the-main-method with Java 21 Instance Main Methods (preview feature).

Value Parameters: An example that shows the behavior of value parameters. In Java all parameters are passed by value. String Example. A few brief examples of String manipulations. BinaryConverter. A ...

Java was created over 25 years ago, and it is still one of the most popular programming languages. In this article, I will present an overview of how Java has grown to today's complex system and ...