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

The next class, Employee, is a contrived example of a class in which the extensible class’s constructor calls an overridable method (setSalaryRange()). Employee.java ...

What is a default constructor in Java? While a constructor is required to create an instance of a class, developers aren't required to add a constructor to every class they create. If a class does not ...

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 ...