Quiz

Let's test your knowledge of the Java language with a little quiz. The answers are included in the first appendix. If you earn a great score, congratulations! If not, don't despair and just reread the relevant parts and see if you can do better next time.

1. Will the following code compile? If not, what is wrong with this code?

        import java.util.ArrayList;
        package com.example.quiz1; 
        public class Question1 {
        }

a) The package name is wrong; digits are not allowed in package names.

b) The ArrayList is not a class in the java.util package.

c) The package statement must be placed before the import statement.

d) None of the other options; the file compiles correctly.

2. Will the following code compile? If not, what's wrong with it?

        class A { }

        class B { }

        class C extends A, B  {
        }

a) Class names with a single...