Collections in Java -ArrayList

ArrayList in java 
Arraylist class implements List interface. It is widely used because of the functionality and flexibility it offers. Most of the developers choose Arraylist over Array as it’s a very good alternative of traditional java arrays. ArrayList is a resizable-array implementation of the List interface. It implements all optional list operations, and permits all elements, including null.
The issue with arrays is that they are of fixed length so if it is full you cannot add any more elements to it, likewise if there are number of elements gets removed from it the memory consumption would be the same as it doesn’t shrink. On the other ArrayList can dynamically grow and shrink after addition and removal of elements. Apart from these benefits ArrayList class enables us to use predefined methods of it which makes our task easy. Let’s see the ArrayList example first then we will discuss it’s methods and their usage.These are the main features of using the arraylist for certain operations in java.For more tutorial and supports for you,please visit cheap website designers in bangalore. 

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