Take advantage of the state design pattern to allow an object to change its behavior when its internal state changes Design patterns are used to solve common design problems and reduce the ...

Imagine a robot with an all-around bump sensor. The response to the bump sensor activating depends on the previous state of the robot. If it had been going forward, a bump will send it backwards and ...

As opposed to conditional flag-centric code, a state machine diagram presents a very clear view of the design, and so provides a good example to students. As opposed to conditional flag-centric code, ...

Get an overview of design patterns, then use what you've learned to evaluate whether the Composite pattern is a good choice for a particular Java use case Numerous strategies have been devised to ...