Modified version of http://www.programmingsimplified.com/java/source-code/java-program-multiple-classes http://www.programmingsimplified.com/java/tutorial/java-methods
Just simple app that shows me how methods / classed worked. It's been a while...
SAMPLE OUTPUT:
Constructor of Computer class.
Constructor of Laptop class.
Power gone! Shut down your PC soon...
99% Battery available.
Static method can be called without creating object
Constructor method is called when an object of it's class is created
Non static method must be called by creating an object