QUESTION 1

What is the result of compiling and running the following code? class Base { public void Base() { System.out.print("Base"); } } public class Derived extends Base { public Derived() { System.out.print("Derived"); } public static void main(String[] args) { new Derived(); } }

		Base Derived
		Derived Base
		Derived
		The code will not compile
		Base

4 points

QUESTION 2

Interfaces are only allowed to have abstract methods and static final attributes.

True

False

2 points

QUESTION 3

Java does not have unsigned integer types.

True

False

2 points

QUESTION 4

Java programs are compiled to bytecode, not native machine code.

True

False

2 points

QUESTION 5

What is the result of compiling and running the following code? class Base { public Base(String n) { System.out.println("Base1"); } public void Base(String n) { System.out.println("Base2"); } } public class Derived extends Base { public Derived() { System.out.println("Derived"); } public static void main(String[] args) { new Derived(); } }

		Derived
		Base1 Derived
		The code will not compile
		Base2 Derived

4 points

QUESTION 6

Inheritance establishes which kind of relationship between the child class and the parent class?

		contains-a
		is-a
		has-a
		uses-a

4 points

QUESTION 7

What is displayed on the screen when running the following code fragment? System.out.println("Result: " + 3 + 5); System.out.println("Result: " + (3 + 5));

		Result: 35 Result: 8
		Result: 8 Result: 8
		Result: 35 Result: 35
		Result: 8 Result: 35

4 points

QUESTION 8

In Java, every variable must be declared to have a particular type.

True

False