Learn the four types of polymorphism in Java, then start using subtype polymorphism to execute different forms of the same Java method.

Java developers all too often associate the term polymorphism with an object's ability to magically execute correct method behavior at appropriate points in a program. That behavior is usually ...

The Java Function interface is quite simple. It takes a single Java object as an argument, and returns a single Java object when the method concludes. Any method you can conjure up takes an object and ...

This is an in-depth java tutorial for beginners. Learn what Java is, how to get started, and how to build basic apps using key concepts!

A great deal of Java programming -- from conditional statements to iterative loops -- deals with the evaluation of true or false values. When you work with the JDK's Streams API and Lambda functions, ...

Nested if statements in Java There are many other tricks you can perform once you understand how to use if statements in Java. For example, you might also want to use “nested if statements.” ...