//	Author: Abby Jamgochian
//	Prof: Dr. Wang
//	Due: Monday, 18 Feb. 2013
//	Program name: hw4_queue.java
//	Goal: The program will simulate the queue operation by
//		reading a queue of names, sorting them in ascending
//		order (by last name), and send the new queue to a file.
//

import java.util.Scanner;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.io.File;
import java.io.PrintWriter;

public class hw4_queue
{
	public static void main(String[] args)
		throws java.io.FileNotFoundException
	{
		ArrayList<String> arrayList = new ArrayList<String>();
		PrintWriter output = new PrintWriter("names_output.txt");
		Scanner input = new Scanner(new File("names.txt"));
		String name1, name2, name;

		while(input.hasNext())
		{
			name1 = input.next(); // first name
			name2 = input.next(); // last
			//arrayList.add(name);
			name = name2 + " " + name1;
			arrayList.add(name);
		}
		input.close();
		Collections.sort(arrayList);
		output.print("Sorted by last name:\n" + arrayList + "\n");
		output.close();
		System.out.println("\nAll done. Check names_output.txt\n\n");
	}
}