Difference between Vector, ArrayList and LinkedList in Java

Posted in: Collections API,Core Java

Vector:

• It is synchronized
• Fast access to elements using index
• Optimized for storage space
• Not optimized for inserts and deletes

ArrayList:

• Same as Vector except the methods are not synchronized.  
• Better performance

Linkedlist:

• Fast inserts and deletes
• Stacks and Queues (accessing elements near the beginning or end)
• Not optimized for random access

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