An enum type is a special data type that enables for a variable to be a set of predefined constants . The variable must be equal to one of the values that have been predefined for it. Common examples include compass directions (values of NORTH, SOUTH, EAST, and WEST) and the days of the week.
Read moreWhat is enum in OOP?
“The enum keyword is used to declare an enumeration , a distinct type that consists of a set of named constants called the enumerator list. … However, an enum can also be nested within a class or struct. By default, the first enumerator has the value 0 and the value of each successive enumerator is increased by 1.
Read moreWhat is the similarity between enum union and structure *?
2) 2. What is the similarity between a structure, union and enumeration? Structures unions and enumeration is used to create a new datatyppe that holds all kinds of datatype that is it includesn a datatype that can hold int, float, char, array inside a user ndefined datatype.
Read moreWhat is struct and enum?
The structure is a user-defined data type that is a collection of dissimilar data types. Enum is to define a collection of options available . 3. A struct can contain both data variables and methods. Enum can only contain data types.
Read moreWhat is union and structure in C++?
A union is like a struct in that it generally has several fields, all of which are public by default. Unlike a struct, however, only one of the fields is used at any given time. In other words, it is a structure that allows the same storage space to be used to store values of different data types at different times.
Read moreWhat is typedef in C example?
typedef is a reserved keyword in the programming languages C and C++. It is used to create an additional name (alias) for another data type, but does not create a new type, except in the obscure case of a qualified typedef of an array type where the typedef qualifiers are transferred to the array element type.
Read moreWhat is the use of typedef statement in C?
The C language contains the typedef keyword to allow users to provide alternative names for the primitive (e.g., int) and user-defined (e.g struct) data types . Remember, this keyword adds a new name for some existing data type but does not create a new type.
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