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, Chapter 1 Getting Started 1
Chapter 1
Getting Started
◼ Multiple Choice
1) Java is an object-oriented programming language. An object-oriented language
(a) Uses structured programming.
(b) Views a program as consisting of objects which communicate through interactions.
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(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.
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(a) increment
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(b) decrement
(c) assignment
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(d) negation
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Answer: C
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3) In Java, source code is compiled into object code called ______________.
(a) Bit-code
(b) Class code
(c) Method code
(d) Byte-code
Answer: D
4) The hardest kind of error to detect in a computer program is a:
(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
6) What is the value of the variable amountDue?
double price = 2.50;
double quantity = 5;
double amountDue = 0;
amountDue = price * quantity;
(a) 12
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(b) 12.25
(c) 12.5
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(d) 13
Answer: C
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7) What is the value of 7.52e-5?
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(a) 752000.0
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(b) 0.0000752
(c) 0.000752
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(d) 0.00752
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Answer: B
8) What is the Java expression for 4a 2 + 2b * c?
(a) (4 * a) + (2 * b) * c
(b) (4 * a * a) + ((2 * b) * c)
(c) ((4 * a * a) + (2 * b)) * c
(d) (4 + a * a) + ((2 + b) * c)
Answer: B
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
11) Which operator is used to concatenate two strings?
(a) +
(b) –
(c) *
(d) /
Answer: A
12) Which operator returns the remainder of integer division?
(a) %
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(b) /
(c) *
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(d) none of the above
Answer: A
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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.";
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char c = phrase.charAt(10);
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(a) w
(b) h
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(c) i
(d) None of the above
Answer: B
14) The escape sequence the represents the new-line character is:
(a) \r
(b) \t
(c) \n
(d) \\
Answer: C
Copyright © 2016 Pearson Education, Inc., Hoboken NJ
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