Java originated in 1995 and has managed to stay relevant to date. Over the years, Java has maintained its position among the top three most popular programming languages in the world, and rightly so.

We discuss some of the most common design patterns in Java and how they can help you solve common coding issues. Learn more. A design pattern is a well-established and documented solution to a ...

In this Java code challenge, you’ll learn about the Command design pattern and see several examples of the pattern in practice. I will also discuss how the Command pattern implements two core ...

Benefits of the Java String printf method The Java String printf method can be confusing at first, but it greatly simplifies how you format complex Strings. This is especially true when creating ...

However, there are collection classes in Java that act like a Java array but resize themselves automatically. Any class that extends the List interface expands dynamically. Java arrays do not expand ...

Null pointer exception is an “exception” (error) that is particularly common when programming in Java. For a beginner, this is a confusing and daunting message to receive, but it can be just ...

In this introductory-level article, Walter Hurst describes how to combine J2EE (Java 2 Platform, Enterprise Edition) with object-oriented design patterns to build a scalable, flexible, and ...