Question in Java Programming . Help me please

1. Which statement is TRUE regarding an object? a) An object is a blueprint to the class. b) An object is an instance of a class. c) An object is a reference variable. d) An object is a reference to an attribute. 2. Object-oriented programming (OOP) is achieved by combining methods and attributes into a class. Which concept of OOP BEST describes the statement? a) Abstraction. b) Encapsulation. c) Composition. d) Polymorphism. 3. The behavior of an object is defined by a set of a) properties b) state c) methods d) attributes 4. Which of the following is/are NOT advantages of Object-oriented programming? 1. Attributes II. Behavior III. Reusability of codes IV. Information hiding a) I, II b) II only c) IV only d) III, IV 5. What method is used in instantiation of an object? a) Constructor. b) Accessor. c) Mutator. d) Processor.