TheServerSide

How do I find the Java array length?

Community driven content discussing all aspects of software development from DevOps to design patterns. To find the size or length of a Java array, follow these four steps Declare a variable of type ...
TheServerSide

Code a tic-tac-toe game in Java

Follow the essential steps to download Java 21, configure Windows environment variables, update PATH, and confirm that the JDK is working. Learn how JAR files relate to ZIP archives, how to extract ...
InfoWorld

Get started with method references in Java

Along with lambdas, Java SE 8 brought method references to the Java language. This tutorial offers a brief overview of method references in Java, then gets you started using them with Java code ...
InfoWorld

Sorting Java objects with Comparable and Comparator

Do you need to know how to sort Java objects in a collection, array, or map? Here's how to use the Comparable and Comparator interfaces and avoid ClassCastExceptions. Programmers frequently need to ...
Ars Technica

Java: ArrayList.contains(Object o) isn't calling the correct equals method

I have a class, say TextHolder, that overrides Object.equals() to return true if both strings in each object are equal - <tt>new TextHolder("Hello World!").equals(new ...