import java.util.*;

/******************************************************
 * Distance.java - Computes the distance between 2 points
 *
 * @author  <Your Name>
 * @version 
 *****************************************************/
public class Distance
{
	/**************************************************
	 * The main method computes the distance
	 *
	 * @param args Command line arguments, unused
	 **************************************************/
	public static void main (String[] args)
	{
		double distance; // distance between the points

		double x1; // coordinates of a point
		double y1; // ""

		double x2; // coordinates of a point
		double y2; // ""

		Scanner scan;
		
		// Read in the two points
		scan = new Scanner(System.);
		System.out.print ("Enter the x coordinate of the first point (as a double): ");
		x1 = scan.nextDouble();

		System.out.print ("Enter the y coordinate of the first point (as a double): ");
		y1 = scan.nextDouble();

		System.out.print ("Enter the x coordinate of the second point (as a double): ");
		x2 = scan.nextDouble();

		System.out.print ("Enter the y coordinate of the second point (as a double): ");
		y2 = scan.nextDouble();

		// Compute the distance

		// Print out the answer to 4 decimal places

	}
}