Question

what is array in C++

Answer 1

Her friend,

here is your answer,


An array is a data structure which allows a collective name to be given to a group of elements which all have the same type. An individual element of an array is identified by its own unique index (or subscript). An arraycan be thought of as a collection of numbered boxes each containing one data item.




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Answer 2

An array is a collection of finite data elements of the same type .

EXPLANATION :

⏩ The array variable is the name given to the array . Say for example :

int a[5] ;

Here a is the array variable .

⏩ Array size is the number of data elements present in the array .

Here there are 5 elements in the array .

⏩ Array index is the position of a particular element in the array .

⏩ An array always starts counting from 0 and hence the 2 nd element present in an array a[] will be a[1] and not a[2] .

⏩ int b[3] = {1,2,3} ;

⏩ The elements are :

b[0] = 1

b[1] = 2

b[2] = 3

⏩ Hence the array elements can be accessed by putting their index value .