import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;

public class Prog7a<E> {
	public static void main(String[] args) throws FileNotFoundException {
		 checkUsage(args);

		// try {
		// File fInput = new File(args[0]);
		// File fInput = new File("FIXME");
		// fReader = new Scanner(fInput);
		// }
		// catch (FileNotFoundException fnfe) {
		// System.out.println("File not found");
		// System.exit(0);
		// }

		if (args[0].equals("I") || args[0].equals("i") || args[0].equals("S") || args[0].equals("s")
				|| args[0].equals("D") || args[0].equals("d")) {
			// If input is I then
			if (args[0].equals("I") || args[0].equals("i")) {
				ArrayList<Integer> intList = new ArrayList<Integer>();
				for (int i = 2; i < args.length; i++) {
					intList.add(Integer.parseInt(args[i]));
					System.out.println(args[i]);
				}
			}
			// If input is S then
			else if (args[0].equals("S") || args[0].equals("s")) {
				ArrayList<String> stringList = new ArrayList<String>();
				for (int i = 2; i < args.length; i++) {
					stringList.add(args[i]);
					System.out.println(args[i]);
				}
			}
			// If input is D then
			else {
				ArrayList<Double> doubleList = new ArrayList<Double>();
				for (int i = 2; i < args.length; i++) {
					doubleList.add(Double.parseDouble(args[i]));
					System.out.println(args[i]);
				}
			}
		} else {
			System.out.println("Incorrectly formatted command.");
		}
	}

	public static void checkUsage(String[] args) {
		 if (args.length < 3){
		 System.out.println("Usage: java Prog7a <Data Type \"I, S, or D\"> "
		 		+ "<Number of variables> <List of variables separated by spaces>");
		 System.exit(0);
		 }
	 }

} // class

// dont forget to import
class SuperArrayList<E> extends ArrayList<E> {
  	public ArrayList<E> removeDuplicates(ArrayList<E> list) {
		ArrayList<E> newList = null;
		return this;
	}

	public void shuffle(ArrayList<E> list) {

	}

    // this will cause a problem - will explain in chat
	public <E extends Comparable<E>> E max(ArrayList<E> list) {
		return null;
	}
}