how to add specific element to the array of arraylist

Question

ArrayList<int[]> arl = new ArrayList<int[]>();
int a1[] = {1, 2, 3};
arl.add(0, a1);

How do I set an element value at a specific position like we do in 2d array as ar1[0][2]=5 in this code if we want to reset the value 3 to something else.

Mikhail Vladimirov · Accepted Answer · 2013-02-09 08:38:07Z

2

Define you arl as

ArrayList <int []> arl = new ArrayList <int []> ();
arl.add (0, new int [] {1, 2, 3});

and do like this:

arl.get (0) [2] = 5;

answered Feb 9, 2013 at 8:38

Mikhail Vladimirov

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1 Comment

Subhrajyoti Majumder Over a year ago

+1 for right answer. But I think it's good way if you do List <int []> arl = new ArrayList <int []> ();

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