1. PreAP Computer Science Quiz 06.01- 04
Take out a piece of paper and PEN.
The quiz starts ONE minute after the tardy bell rings.
You will have 30 seconds per question.

2. Title the quiz as shown below The quiz starts in ONE minute.
Name
Period
Date
Quiz
1. 7.
2. 8.
3. 9.
4. 10.
5. 11.
6. EC.

3. Question 01 In the statement int x; What is int ? a variable
a data type
a class
an object

4. Question 02 In the statement int x; What is x ? a variable a data type
a class
an object

5. Question 03 In the statement Bank tom = new Bank(5000.0);
Which is the class?
Bank
tom
new
5000.0

6. Question 04 In the statement Bank tom = new Bank(5000.0);
Which is the object?
Bank
tom
new
5000.0

7. Question 05 In the statement Bank tom = new Bank(5000.0);
Which is the parameter?
Bank
tom
new
5000.0

8. Question 06 In the statement Bank tom = new Bank(5000.0);
Which word is responsible for creating a new object?
Bank
tom
new
5000.0

9. Question 07 The DecimalFormat class has the ability to
(a) round off decimal numbers to a specified number
of digits.
(b) format numbers with leading zeroes.
(c) insert commas
(d) insert dollar signs.
(e) do all of the above.

10. Question 8
What is the output of this program segment?
DecimalFormat output;
output = new DecimalFormat("0000");
System.out.println(output.format(1));
System.out.println(output.format(12));
System.out.println(output.format(123));
(a) 1 12
123
(b)
001
012
(c)
0001
0012
0123
(d)
1000
1200
1230
(e)
Error

11. (a) 1 12 123 1234 (b) 001 012 (c) 0001 0012 0123 (d) (e) Error
Question 9
What is the output of this program segment?
DecimalFormat output;
output = new DecimalFormat("000");
System.out.println(output.format(1));
System.out.println(output.format(12));
System.out.println(output.format(123));
System.out.println(output.format(1234));
(a) 1 12
123
1234
(b)
001
012
(c)
0001
0012
0123
(d)
(e)
Error

12. output = new DecimalFormat("0.00");
Question 10
Which of the statements below can replace the missing statement so the program will display $3.14 ?
DecimalFormat output;
// missing statement
System.out.println(output.format(Math.PI));
output = new DecimalFormat("0.00");
output = new DecimalFormat("0,000");
output = new DecimalFormat("$0.00");
output = new DecimalFormat("$0,000");
output = new DecimalFormat("$0,000.00");

13. output = new DecimalFormat("0.00");
Question 11
Which of the statements below can replace the missing statement so the program will display 1,234,567,890 ?
DecimalFormat output;
// missing statement
int num = ;
System.out.println(output.format(num));
output = new DecimalFormat("0.00");
output = new DecimalFormat("0,000");
output = new DecimalFormat("$0.00");
output = new DecimalFormat("$0,000");
output = new DecimalFormat("$0,000.00");

14. Extra Credit (a) 123456789.988 (b) 123456789.987 (c) 9.988 (d) 9.987
What is the output of the following program segment?
double number =
DecimalFormat output = new DecimalFormat("0.000");
System.out.println(output.format(number));
(a) (b)
(c) (d)
(e) (f) 14