Character array, can't get array length

Question

This is in Java

I'm not sure what is wrong with the arrayName.length in my code, it doesn't work on both occasions

    for (int i = 0; i<arr.length; i++)
    {
        for(int j = 0; j < arr2.length; j++)
        {

        }
    }

These two arrays are char arrays and does not seem want to work with the .length method. It says that "length cannot be resolved or is not a field"

Can someone please explain to me why this is happening

Possible duplicate of .length cannot be resolved or is not a field — Wander Nauta
– Wander Nauta, Commented Nov 8, 2017 at 23:33
sry guys, first time asking on stackexchange, image at bottom — MIKE DONG
– MIKE DONG, Commented Nov 8, 2017 at 23:40
it's not an array, it's an ArrayList - you should import it and call the method size() on an instance — Andrew
– Andrew, Commented Nov 8, 2017 at 23:44

luckydog32 · Accepted Answer · 2017-11-08 23:47:47Z

3

You aren't using arrays in your code, you are using ArrayLists. They are totally different and have different methods. The equivalent method to length for ArrayList is .size().

edited Nov 8, 2017 at 23:47

answered Nov 8, 2017 at 23:42

luckydog32

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