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Thread: Defining an array

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    Default Defining an array

    Hi,

    How to Definie an array that I do not know what size it will be?

    this is the array:

    Shape shapes[] = new Shape[];

    i dont know how many shapes will be entered,
    what am i suppose to write in the second brackets?

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    Default Re: Defining an array

    In the second set of brackets you put the number of items to be contained in the array. If you need to add more items, you will need to reallocate the array and copy the elements. You can use the Arrays.copyOf() method to do this. However, I recommend using an instance of ArrayList() in lieu of an array since it does all of this book keeping for you.

    Regards,
    Jim

  3. The Following User Says Thank You to jim829 For This Useful Post:

    Yehonatan (October 2nd, 2018)

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