How do I read each column of a txt file, and place them in separate arrays?

Question

I\'m doing a Programming Assignment and basically I need to read from a txt file and sort everything in there in different arrays allowing me to display everything in the cm

Answer 1

You don't have to open 4 streams in order to read the file (I guess you wanted to open "one per column" but you shouldn't do it).

Second, you can split the string on spaces (" ") which will provide you the columns (for every line separately) exactly like you want.

Code example:

    BufferedReader br = null;
    String[] characters = new String[1024];//just an example - you have to initialize it to be big enough to hold all the lines!

    try {

        String sCurrentLine;
        br = new BufferedReader(new FileReader("data.txt"));

        int i=0;
        while ((sCurrentLine = br.readLine()) != null) {
            String[] arr = sCurrentLine.split(" ");
            //for the first line it'll print
            System.out.println("arr[0] = " + arr[0]); // h
            System.out.println("arr[1] = " + arr[1]); // Vito
            System.out.println("arr[2] = " + arr[2]); // 123
            if(arr.length == 4){
                System.out.println("arr[3] = " + arr[3]);
            }

            //Now if you want to enter them into separate arrays
            characters[i] = arr[0];
            // and you can do the same with
            // names[1] = arr[1]
            //etc
            i++;
        }

    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            if (br != null)br.close();
        } catch (IOException ex) {
            ex.printStackTrace();
        }
    }