1. What is an Object ? Objects have states and behaviors. Example: A dog has states - color, name, breed as well as behaviors -wagging, barking, eating. An object is an instance of a class. 2. What is a Class ? A class can be defined as a template/ blue print that describes the behaviors/states that object of its type support. 3. What is a Methods ? A method is basically a behavior. A class can contain many methods. It is in methods where the logics are written, data is manipulated and all the actions are executed. 4. What is an Instance Variables ? Each object has its unique set of instance variables. An object's state is created by the values assigned to these instance variables. 5. Is Java Case Sensitive ? Yes, Java is case sensitive, which means identifier Hello and hello would have different meaning in Java. 6. What is syntax for Class Name, Method Name and File Name ? Class Names - For all class names the firs...