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by ladyleo on November 25th, 2003

ladyleo

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In Java programming, what is the difference between an array and a vector list?

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  • by Kirill Grouchnikov on May 19th, 2004

    Kirill Grouchnikov

    I suppose that the question refers to ArrayList and Vector classes of Java collections.
    The main difference is that Vector is synchronized and ArrayList is not. Apart from that - both grow and shrink as needed and allow amortized O(n) time for n insert/retrieve operations.

    If you are planning only single-thread access, you definitely should use ArrayList which is faster (because it is not synchronized)

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