
Array:
An array is a data structure which stores multiple values of same types of data; the array values are stored in continuous memory locations.
- Size of an array has been declared inside a square bracket, which is named as size declarator.
- The size declarator must be declared as an integer with a value greater than “0” and the number inside the brackets represents the number of elements that the array can hold.
Syntax:
Syntax to declare an array,
data_type array_name[size_declarator];
Structure array:
- The structure needs an array if the items needs to be grouped together.
- Array is a “derived” data type and it contains similar elements.
- The array index starts with “0”.
- If the size of the array is 4, then the index values are “0”, “1”, “2”, and “3”.
Syntax:
struct_name array_name[size];
Example:
// Structure array declaration
Book name[20];
Explanation:
“Book” is a structure name, “name” is an array name and the value “20” is the “size” of the array.
Array named “forSale” to hold 35 “Car” structure:
The below is the declaration statement of the array named “forSale” to hold “35” cars structure with the first three elements defined:
/* array named forSale to hold 35 car structure with first three values initialized. */
Car forSale[35] = { Car("Ford ", "Taurus ", 2002, 21000),
Car("Honda", "Accord ", 2001, 11000),
Car("Jeep ", "Wrangler", 2004, 24000) };
Explanation:
- “Car” is a structure name, “forSale” is an array name and the value “35” is the size of the array.
- The above array is defined hold first three values that are given.

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Chapter 8 Solutions
Starting Out with C++: Early Objects (9th Edition)
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