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


public class NumList {

	private ArrayList<Double> nums;
	
	public NumList( String fileName ) throws FileNotFoundException {
		nums = new ArrayList<Double>();
		
		Scanner fileScanner = new Scanner( new File( fileName ) );
		
		double num = fileScanner.nextInt(); 

		while( fileScanner.hasNextDouble() ) {
			num = fileScanner.nextInt(); 
			nums.add(num);
		}
	}
	
	public double get(int index) {
		return nums.get(index);
	}
	
	public void sort() {
		// simple bubble sort
		for( int i = nums.size()-1; i > 0; --i ) { 
			for( int j = 1; j < i; ++j ) {
				if( nums.get(j) < nums.get(j-1) ) {
					Collections.swap(nums,j,j-1);
				}
			}
		}
	}
	
	public String toString() {
		String ret = "";
		for( Double num : nums ) {
			ret += num;
			ret += "\n";
		}
		return ret;
	}
	
}