Difference between ArrayList and Vector

Difference between ArrayList and Vector comes under Core Java interview questions.It is the most basic questions asked to check the interviewee basic knowledge of Collection before going deep in Collection.


                                                         ArrayList Vs Vector

	ArrayList	Vector
Synchronization	ArrayList in not synchronized means it is not suitable for multi-threaded environment.	Vector is synchronized.
Performance	Arraylist are faster as it is not synchronized.	Vector performance is slow as they are thread safe.
Resize	ArrayList grow half of its size when resized.	Vector grow double of its size when resized.
Iteration method	ArrayList does not uses enumerator for iteration.	Vector uses enumerator for  iteration.

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