Question 1. What statement is used to enable one class to inherit from another class?

1.a. inherits

1.b. extends

1.c. handitoverandnobodygetshurt

The extends statement is used because the subclass is an extension of the attributes and behavior of the superclass and of any superclasses above that in the class hierachy.

Question 2. Why are compiled Java programs saved with the .class file extension?

2.a. Java's developers think it's a classy language

2.b. It's a subtle tribute to the world's teachers

2.c. Every Java program is a class

Your programs are always made up of at least one main class and any other classes that are needed.

Question 3. What are the two things that make up an object?

3.a. Attributes and behavior

3.b. Commands and data files

3.c. Spit and vinegar

In a way, b also is true because commands are comparable to behavior, and data files are analogous to attributes.