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Chapter 4
Case Study Follow-Up |
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1. Prepare File for Reading, Get Data, Find Weighted Average, Print Weighted Average, and Print Heading are concrete modules. Print Data is an abstract module because it has a submodule below it. |
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Chapter 5
Exam Preparation Exercises |
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2. a. No parentheses are needed. b. No parentheses are needed.c. No parentheses are needed. d. ! (q && q) |
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6. a. 4 b. 2 c. 5 d. 3 e. 1 |
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9. a. If-Then-Else b. If-Then c. If-Then d. If-Then-Else |
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10. The error message is printed because there is a semicolon after the right brace of a block (compound statement). |
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Chapter 5
Programming Warm-Up Exercises |
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2. In the following statement, the outer parentheses are not required but are included for readability. |
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available = (numberOrdered <= (numberOnHand numberReserved)); |
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4. In the following statement, the parentheses are not required but are included for readability. |
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leftPage = (pageNumber % 2 == 0); |
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6. if (year % 4 == 0)
cout << year << is a leap year. endl;
else
{
year = year + 4 - year % 4;
cout << year << is the next leap year. << endl;
}
7. if (age > 64)
cout << Senior voter;
else if (age << 18)
cout << Under age;
else
cout << Regular voter;
9. // This is a nonsense program
if (a > 0)
if (a << 20)
{
cout << A is in range. << endl;
b = 5;
}
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