This is Java Programing

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Question 1: Multiple Choice Questions (24 points): -02) What is abstraction? OD a) The ability to focus on a problem at a high level without worrying about the minor details. b) When things are confusing and vague rather than simple and understandable, A Java keyword that optimizes programs that do not use classes or objects. d) The opposite of addition, as seen in mathematics How do objects provide abstraction? a) By giving us more powerful pieces of data that have sophisticated behavior without having to manage and manipulate the data directly. b) Objects provide abstraction when they declare a lot of useful data inside them. Public fields provide abstraction because they let the client directly view an object's data. d) When one object converts into another type of object, it becomes abstract. e) Objects provide abstraction through the provideAbstraction() method. How does encapsulation allow you to change the internal implementation of a class? .03) a) When a class is encapsulated clients cannot directly access its fields, so changing those ! fields will not disturb client behavior as long as the external view (method behavior) is! consistent. b) Encapsulation allows you to add more fields and methods to the class later, changing its implementation. The client can call the change InternalImplementation() method to accomplish this. d) Encapsulation makes the entire class private so that you can change anything in the class in any way you want. e) Encapsulation does not help with changing implementations. The class must be rewritten from scratch. When fields are made private, client programs cannot see them directly. How do you allow classes access to read these fields' values, without letting the client break the object's encapsulation? a) Create an accessor method that returns the field's value. .04)