ARRAY vs ARRAYLIST Array is an object used to save similar data type elements and its size is limited . Array is static in nature. Once created we cannot change size of array. · Random access, linear data structure · Fixed size once created · Can contain objects and primitives · Must declare element type · It is not a class · Elements accessible with index number Eg: int[] ar=new int[3]; //stores complete integer types Arraylist is a part of Collection Framework of util package to store different data type objects and it is growable . Arraylist is dynamic in nature. It can be re-size itself when needed depending upon capacity and load factor. · Random access, linear data structure · ...
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