Java ArrayList how to add elements at the beginning

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忘了有多久
忘了有多久 2020-12-02 06:49

I need to add elements to an ArrayList queue whatever, but when I call the function to add an element, I want it to add the element at the beginning of the arra

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  •  伪装坚强ぢ
    2020-12-02 07:14

    You may want to look at Deque. it gives you direct access to both the first and last items in the list.

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