Concept explainers
Array of structures:
In C++, it is possible to create an array of structure. It is used to store a group of records contains multiple data members of various data type. A single array of structure can replace many arrays of regular type variable.
- Array of structures can be defined like normal array.
The structure array is declared through the following format:
struct_name variable[size];
Consider the following array definition:
//Declaration of structure array
Car values[5];
- In the above example, “Car” represents the structure type of the array, “values[]” is the array name, and the number inside the brackets is the size declaratory of the array.
Subscript of an array:
In C++, array elements can be accessed using a subscript. In an array, each element assigned with the unique number, which is specified inside the brackets, is referred to as a subscript.
- By default, structure members are defined as public. Hence structure members can be accessed by place the dot operator (.) and member name after the array subscript.
Example:
//Assign the value for model member of values[2].
values[2].model= "New"
- In above statement, the value “New” is assigned in the third element ofthe values array for model member.
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Starting Out with C++: Early Objects (9th Edition)
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