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Home/ Questions/Q 7081275
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Editorial Team
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Editorial Team
Asked: May 28, 20262026-05-28T06:53:59+00:00 2026-05-28T06:53:59+00:00

Does the Vector class of Java have a limit to the amount of elements

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Does the Vector class of Java have a limit to the amount of elements it can store? I know it automatically grows and should be able to store an arbitrary amount of elements, however are there any limitations that limit the amount of elements you can actually store? Other than the most obvious limitation like running out of memory.

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  1. Editorial Team
    Editorial Team
    2026-05-28T06:54:00+00:00Added an answer on May 28, 2026 at 6:54 am

    There are two limits:

    • the amount of memory
    • the max integer value (Integer.MAX_VALUE), since elements in the underlying array are indexed by an integer index

    Side note: if you plan to use Vector, then don’t. Use ArrayList instead, which is not synchronized and fits better with the rest of the Collections framework.

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