import java.util.ArrayList;
import java.util.Arrays;

public class DataList
{
	ArrayList<DataRecord> list;
	
	public DataList()
	{
		list = new ArrayList<DataRecord>();
	}
	
	public void add(DataRecord item)
	{
		list.add(item);
	}

	public void sort()
	{
		for ( int pass = 1; pass < list.size(); pass++)
		{
			int mark = pass - 1;
			
			for (int scan = pass; scan < list.size(); scan++)
				if  ( list.get(scan).compareTo(list.get(mark)) < 0)
					mark = scan;
					
			DataRecord temp = list.get(pass - 1);
			list.set(pass - 1, list.get(mark));
			list.set(mark, temp);
		}
	}
	
	/*	
	public void sort()
	{
		Object[] array = list.toArray();
		Arrays.sort(array);
		
		list.clear();
		for (Object item : array)
			list.add( (DataRecord)item );
	}
	*/
	
	public String toString()
	{
		String image = "";
		for (int k = 0; k < list.size(); k++)
			image += list.get(k) + "\n";
		return image;
	}
}