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, 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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