What is the contract between equals() and hashcode()? Learn how these methods work together when comparing objects in Java.

Quickly learn how to use the Java ternary operator and see how this simple programming construct can help make your conditional logic, if statements and return statements clearer and more concise.

Java 11 is getting long in the tooth, so many developers are moving to the next oldest version that's still supported, Java 17. Here's what's different.

Do you need an example of how to use Java's UnaryOperator in a functional Lambda expression? This tutorial shows you where when and how to use the UnaryOperator interface in a function.