Better way to find index of item in ArrayList?

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不知归路
不知归路 2020-12-04 11:50

For an Android app, I have the following functionality

private ArrayList _categories; // eg [\"horses\",\"camels\"[,etc]]

private int getCateg         


        
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  •  误落风尘
    2020-12-04 12:32

    Use indexOf() method to find first occurrence of the element in the collection.

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