Starting Out with C++ from Control Structures to Objects (9th Edition)
9th Edition
ISBN: 9780134498379
Author: Tony Gaddis
Publisher: PEARSON
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Chapter 11, Problem 9RQE
Program Plan Intro
Enumeration:
Enumeration is a user-defined data type which consists of enumerators; the enumerators are used to represent integer constants.
- An enumeration can be defined by using the keyword “enum”.
- By default, the values of enumeration type are filled with “0” to “n” sequentially and those default values can be changed when declaring the enumeration.
Syntax:
Syntax to declare an enumerated data type is as follows,
enum type_name {identifier_1, identifier_2, identifier_3, … identifier_n};
In the above syntax,
- “enum” is the keyword used to declare an enumerator.
- “type_name” refers the name of the type of the enumerator.
- “identier_1” to “identifier_n” are refers the list of the identifiers declared in the enumerator.
Example:
The example for enumeration is as follows,
//enum definition
enum Average
{
//values of enumeration
Semester_1 = 97,
Semester_2 = 99,
Semester_3 = 86,
Semester_4 = 97,
Semester_5 = 79,
Semester_6 = 88,
};
In the above example,
- The name of the enumeration is “Average”.
- The “Semester_1”, “Semester_2”, “Semester_3”, “Semester_4”, “Semester_5”, and “Semester_6” are the six values of type “Average”.
- The values of type “Average” are assigned with the new set of values.
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Chapter 11 Solutions
Starting Out with C++ from Control Structures to Objects (9th Edition)
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