Answer Posted / karunakar

Array is the collection of values of the same data type
>the variables in an array is called array elements
>Array is a reference type data type
>The array structure in System's Memory

Array list is a class .
when you want to access the elements of an array through its
index value location in an array,use an ArrayList.
The use of the arraylist is an alternative to the use of th
array.
The Methods Of ArrayList class are
1)Add
2)Remove
3)Clear
4)Insert
5)TrimToSize
6)Sort
7)Reverse

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