Problem with reading numbers from file into double int array...

Question

Okay, this is a snippet of my code:
public void readMap(String file){
        try {
            URL url = getClass().getResource(file);
            System.out.println(url.getPath());
            BufferedReader in = new BufferedReader(new FileReader(url.getPath()));
            String str;
            String[] temp;
            int j=0;
            while ((str = in.readLine()) != null) {
                temp = str.split(",");
                for(int i=0;i<temp.length;i++){
                    map[j] = java.lang.Integer.parseInt(temp[i]);
j++
in.close();
} catch (IOException e) {
System.out.println("Error: "+ e.toString());
map[][] is a double int array. Now, the code is running through each line of the text file (with each line looking like this: 0,3,6,2,2,3,1,5,2,3,5,2), and I want to put the numbers into a corresponding double int array (which is where map[][] comes in). Now, this code WOULD work, except I need to set the sizes of each array before I start adding, but I don't know how to get the exact sizes.. how can I get around this issue?
Message was edited by:
maxfarrar

Answer 1

You can do a two-dimensional ArrayList? That syntax
you wrote didn't work.
I tried doing:
private ArrayList<ArrayList><Integer>> map;
Your syntax is just wrong -- or, this forum software has bug in handling angle brackets.
ArrayList<ArrayList<Integer>>...The closing angle bracket after the second 'ArrayList' is the one generated by the bug. Basically, it should be T<T<T2>> without spaces. Oh, for that matter:
Arraylist<ArrayList<Integer>>