Please give a fully explained simple high-level detailed answer with diagrams, Java code examples, and real-life examples. Please type the answers as well. What does object-oriented mean? What is polymorphism and why is it important and why use it and when do you use it? What is inheritance and why is it important and why use it and when do you use it? What is encapsulation and why is it important and why use it and when do you use it? What is abstraction and why is it important and why use it and when do you use it?