Use Java's extends keyword to derive a child class from a parent class, invoke parent class constructors and methods, override methods, and more.

Traverse the class's inheritance hierarchy. 10 types of Java constructors. There is a variety of different types of constructors in Java, and each constructor type has its own special use case and is ...

Java constructor overloading example. Imagine a simple Java class that represents a point on a Cartesian plane. The class has two properties: x and y. The following code is an example. public class ...