Question

Question 1

True or False: In a class-based object oriented language (like Java) classes define types of objects - including the things these object know and the things these objects can do.

True

False

Question 2

The Java keyword new is used for what purpose?

to reset an object to its default state

to declare a variable

to clear all local variables

to declare or define a method

to instantiate an object of a class

Question 3

True or False: The purpose of a constructor is to initialize an object into a valid state.

True

False

Question 4

True or False: A constructor method is guaranteed to execute when an object is instantiated.

True

False

Question 5

Consider the following Java class declaration. How many methods are defined in this class?

class Bunny {
    int age;
    String name;

    void hop() {
        System.out.println(name + " hops around.");
    }

    void eat(String food) {
        System.out.println(name + " eats the " + food + ".");
    }

    void sleep() {
        System.out.println(name + " takes a nap.");
    }
}

0

1

2

3

4

Answer 1

Question 1:
True

Question 2:
to instantiate an object of a class

Question 3:
True

Question 4:
True

Question 5:
3