Just think, one day your teacher give you a box of different types chocolate, and tell you there are 10 types of chocolate you count only how much each type of chocolate , and put those numbers in your program and determine sum of them. What you will do? You able to count all chocolate number and store them in different variable. At least 10 variable need to store them. Do you know you can store them into one variable? The method of this name is array. Array is the method of store one kinds of data into one variable. 5 7 5 2 9 8 11 4 3 10 0 1 2 3 4 5 6 7 8 9