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

When to use inheritance in Java When to use composition in Java Differences between inheritance and composition Method overriding with Java inheritance Using constructors with inheritance Type ...

When to use overloaded constructors As you can see, it can make sense to perform constructor overloading even in a simple Java class that that has only two properties. For more complex classes, it's ...

Constructors play a key role in all object-oriented programming languages, and Java is no exception. Every class a Java developer creates needs a constructor. Constructors perform numerous important ...