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enum Perfumes {POISON, DIOR_ESSENCE, CHANEL_NO_5, COTY};
Perfumes sample;
indicate whether each statement below is valid or invalid.
a. sample = POISON;
b. sample = 3;
c. sample++;
d. sample = Perfumes (sample +1); |
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10. Using the declarations |
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enum SeasonType {WINTER, SPRING, SUMMER, FALL};
SeasonType season; |
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indicate whether each statement below is valid or invalid. |
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a. cin >> season;
b. if (season >= SPRING)
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c. for (season = WINTER; season <= SUMMER; season =
SeasonType(season + 1))
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11. Consider the following program fragment: |
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enum Colors {RED, GREEN, BLUE};
Colors myColor;
enum {RED, GREEN, BLUE} yourColor;
yourColor = GREEN;
myColor = yourColor; |
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a. The data type of myColor is a named type, and the data type of yourColor is an anonymous type. (True or False?) |
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b. The last assignment statement is valid because both enumeration types have the same domain. (True or False?) |
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12. If you have written your own header file named mytypes.h, then the preprocessor directive |
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#include <mytypes.h> |
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is the correct way to insert the contents of the header file into a program. (True or False?) |
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13. In each of the following situations, indicate whether promotion or demotion occurs. (The names of the variables are meant to suggest their data types.) |
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a. Execution of the assignment operation someInt = someFloat |
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b. Evaluation of the expression someFloat + someLong |
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c. Passing the actual parameter someDouble to the formal parameter someFloat |
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d. Execution of the statement |
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