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

I wrote about the NetBeans hint "Overridable Method Call in Constructor" in the blog post Seven Indispensable NetBeans Java Hints . In this post, I look at why having an overridable method called ...

The syntax of a Java constructor is simple. For the most part, it follows the same rules as Java methods with the following exceptions: A Java constructor has the same name as the class. A constructor ...

Follow these five guidelines when you include Java's default constructor in your code: A default constructor exists only when no other constructors exist in the class. The default constructor takes no ...