What is mean by array?? Plzzz give a easy and short answer

Answer 1

you have 100 variables.
you have to change them all:
OPTION ONE you can write 100 times the code to change a variable total 100 lines of code

OPTION TWO define an array of hundred variables
change them in 3 lines of code with a for looping through the array. Total 4 lines of code

What would you chose?

Answer 2

array is collection same elements (same data type)

Answer 3

imagine a tabel with N colums and just one Row -> this is basical a one dimensional array. You can address each element with a unice index beginnig with Zero ending with N.

a tabel with N colums an M Rows would be a two dimensional Array with the size NXM

hope i could help you