Absolute Java 6th Edition - Complete Solutions and Practice Guide by Walter Savitch

D?
VE
RO
PP
_A
IA
UV
ST

, Chapter 1 Getting Started 1




Chapter 1
ST
Getting Started
UV

◼ Multiple Choice
1) Java is an object-oriented programming language. An object-oriented language
(a) Uses structured programming.
IA
(b) Views a program as consisting of objects which communicate through interactions.
(c) Functionally breaks down problems into smaller, more manageable problems.
(d) All of the above.
_A
Answer: B

2) In Java, the equal sign is used as the ___________ operator.
(a) increment
PP
(b) decrement
(c) assignment
(d) negation
Answer: C
RO
3) In Java, source code is compiled into object code called ______________.
(a) Bit-code
(b) Class code
(c) Method code
VE
(d) Byte-code
Answer: D

4) The hardest kind of error to detect in a computer program is a:
D?
(a) Syntax error
(b) Run-time error
(c) Logic error
(d) All of the above
Answer: C


Copyright © 2016 Pearson Education, Inc., Hoboken NJ

, Chapter 1 Getting Started 2


5) Identify the invalid Java identifier.
(a) 1Week
(b) Week1
(c) amountDue
(d) amount_due
Answer: A
ST
6) What is the value of the variable amountDue?

double price = 2.50;
UV
double quantity = 5;

double amountDue = 0;

amountDue = price * quantity;
IA
(a) 12
(b) 12.25
_A
(c) 12.5
(d) 13
Answer: C

7) What is the value of 7.52e-5?
PP
(a) 752000.0
(b) 0.0000752
(c) 0.000752
(d) 0.00752
RO
Answer: B

8) What is the Java expression for 4a 2 + 2b * c?
(a) (4 * a) + (2 * b) * c
VE
(b) (4 * a * a) + ((2 * b) * c)
(c) ((4 * a * a) + (2 * b)) * c
(d) (4 + a * a) + ((2 + b) * c)
Answer: B
D?
9) What is the Java expression for 27xy?
(a) 27 + (x * y)
(b) 27 * (x + y)
(c) 27 * x * y
(d) 27x * y
Answer: C
Copyright © 2016 Pearson Education, Inc., Hoboken NJ

, Chapter 1 Getting Started 3


10) The value of the expression (int) 27.6 evaluates to:
(a) 28
(b) 27
(c) 26
(d) None of the above.
Answer: B
ST
11) Which operator is used to concatenate two strings?
(a) +
(b) –
UV
(c) *
(d) /
Answer: A

12) Which operator returns the remainder of integer division?
IA
(a) %
(b) /
(c) *
_A
(d) none of the above
Answer: A

13) What is the value of the variable c in the statements that follow?
PP
String phrase = "Make hay while the sun is shining.";

char c = phrase.charAt(10);
(a) w
RO
(b) h
(c) i
(d) None of the above
Answer: B
VE
14) The escape sequence the represents the new-line character is:
(a) \r
(b) \t
(c) \n
D?
(d) \\
Answer: C




Copyright © 2016 Pearson Education, Inc., Hoboken NJ