That's why most Java classes provide non-default constructors, also known as parameterized constructors. For example, we might want the calling program to tell us if the car is a stick shift or not.

A car is a vehicle. ... or constructor of its parent class. In Java, we use the reserved word super to ensure the child class can still access its parent’s overridden method: ...

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 ...

Learn the four types of polymorphism in Java, ... They would also inherit the methods and their constructors would call Vehicle‘s constructor. Downcasting and RTTI. Moving up the class hierarchy ...