import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;

public class Main {

    public static void main(String[] args) {
    		// Source of file
        String csvFile = "/Users/srikanth/Downloads/C2ImportGroupsSample.csv";
        BufferedReader br = null;
        String line = "";
        String cvsSplitBy = ",";

        try {

            br = new BufferedReader(new FileReader(csvFile));
            while ((line = br.readLine()) != null) {

                // use comma as separator
                String[] fileds = line.split(cvsSplitBy);

                //let assume the id present at 3rd index
                //let the id to which u want to pass the id
                actionOnid(fileds[3]);

            }

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

    }

    public static void actionOnid(String id) {

    	 System.out.println("Use the id-"+id);
    }

}