Java is an object-oriented programming language, but there’s more to Java than programming with objects. This tutorial is the first of several introducing non-object-oriented features and syntax ...

Consider the geometry classes in java.awt such as Point and Rectangle. ... The caller still must create a Rectangle object, but it can be reused for subsequent calls.

I'm learning Java by writing a Mandelbrot program. I can draw the image, then use the mouse to choose an area to magnify. Works great, except... When I choose the area to magnify (mouse down, move ...

Introduced with the Java 17 release, pattern matching enhances the instanceof operator so Java developers can better check and object's type and extract its components, and more efficiently deal with ...

LSP example in Java. The calcArea method in the Main class takes a Rectangle as an argument. However, a Square inherits from Rectangle and thus it is a special type of Rectangle, so we can legally ...