Test Bank For Absolute Java 6th Edition By Walter Savitch, Chapters 1-20

Absolute Java, 6th edition




TEST BANK
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Absolute Java,
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6th edition
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Authors:
Walter Savitch, Kenrick Mock
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, Chapter 1 Getting Started 1
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Chapter 1
Getting Started
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1 Multiple Choice
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1) Java is an object-oriented programming language. An object-oriented language
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(a) Uses structured programming.
(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.
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Answer: B

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

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


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, Chapter 1 Getting Started 2


5) Identify the invalid Java identifier.
(a) 1Week
(b) Week1
(c) amountDue
(d) amount_due
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Answer: A

6) What is the value of the variable amountDue?
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double price = 2.50;

double quantity = 5;

double amountDue = 0;
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amountDue = price * quantity;
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(a) 12
(b) 12.25
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(c) 12.5
(d) 13
Answer: C
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7) What is the value of 7.52e-5?
(a) 752000.0
(b) 0.0000752
(c) 0.000752
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(d) 0.00752
Answer: B

8) What is the Java expression for 4a2 + 2b * c?
(a) (4 * a) + (2 * b) * c
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(b) (4 * a * a) + ((2 * b) * c)
(c) ((4 * a * a) + (2 * b)) * c
(d) (4 + a * a) + ((2 + b) * c)
Answer: B
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9) What is the Java expression for 27xy?
(a) 27 + (x * y)
(b) 27 * (x + y)
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(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.
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Answer: B

11) Which operator is used to concatenate two strings?
(a) +
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(b) –
(c) *
(d) /
Answer: A
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12) Which operator returns the remainder of integer division?
(a) %
(b) /
(c) *
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(d) none of the above
Answer: A

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

char c = phrase.charAt(10);
(a) w
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(b) h
(c) i
(d) None of the above
Answer: B
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14) The escape sequence the represents the new-line character is:
(a) \r
(b) \t
(c) \n
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(d) \\
Answer: C
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Copyright © 2016 Pearson Education, Inc., Hoboken NJ