You can write a simple generic launcher in the following way: public class Launcher{ public static void main(String[] args){ if (args.length>0) { try { Command ...

The main class used in Java problems is Throwable. This class provide functions that we can use in our errors exceptions. As subclasses of Throwable, Java provide the ...

Contains common behaviors for all airplanes: takeOff() → shows airplane is taking off. fly() → generic flying behavior. land() → airplane lands. This is the parent class (or superclass) that defines ...