Write a single Program in Java that illustrates the use of following Object Oriented Programming (OOP) features Classes Objects Inheritance Methods State
Congratulations, you have (almost) managed to copy your homework assignment question. You are destined for great things...
Sounds rather open-ended, don't you think? Has the professor given you any further instructions or suggestions on how to do this? Or is that what you came here to ask for?
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So, can you give us some idea of what help you need?
most likely, he has just been explained all these concepts, and his teacher wants to see whether or not he understood it, which is why the assignment is quite abstract.