QUESTION 21

Assume that names is an empty ArrayList of String. What will be the contents of names after the following code fragment?

names.add("Annie");

names.add("Bob");

names.add("Charles");

for (int i = 0; i < 3; i++)

{

String extra = names.get(i);

names.add(extra);

}

	A.	Annie Bob Charles Annie Bob Charles
	B.	Annie Bob Charles Charles Bob Annie
	C.	Annie Annie Bob Bob Charles Charles
	D.	Annie Bob Charles Bob Charles

QUESTION 22

What is the value of num after the following code fragment?

int num = 3;

num++;

	A.	2
	B.	3
	C.	4
	D.	5

QUESTION 23

What is the value of num after the following code fragment?

int num = 3;

num = num 2 * num;

num++;

	A.	2
	B.	0
	C.	2
	D.	4

QUESTION 24

What are the values of num1 and num2 after the following code fragment?

double num1 = 4.2;

double num2 = num1 * 10 + 5.0;

	A.	num1 is 4.2 and num2 is 63.0
	B.	num1 is 4.2 and num2 is 47.0
	C.	num1 is 42.0 and num2 is 42.0
	D.	num1 is 42.0 and num2 is 47.0

QUESTION 25

What is the value of price after the following code fragment?

double price = 30.0;

double discount = 10.0;

price = price - price * (discount / 100.0);

	A.	30.0
	B.	20.0
	C.	27.0
	D.	33.0