Difference between Array and ArrayList

Array :

• Array is strongly typed. Means it can contain only one data type of elements.
• Array size is fixed.
• Boxing and unboxing will not happen.
• Runtime errors can be prevented because boxing and unboxing will not happen.
• It is available in Systems name space.
• We cannot delete elements from Array.

Array List

• Array list can contain different data types of elements.
• Array list size is not fixed. It can grow automatically.
• Boxing and unboxing will happen
• Can get a chance of run time errors.
• It is available in System.Collections name space.
• We can delete elements from Array List.