showpoints

 /**
 * A program that displays a set of points on the screen.
 * Begin with an array of Point objects.  Send that array
 * to a PointDisplay object.  The PointDisplay object will
 * handle all the necessary drawing for you.
 *
 * @author Norm Krumpe
 * @version 2.0
 */
import javax.swing.JFrame;
import java.awt.Point;
import java.util.Scanner;
import java.util.ArrayList;
import java.io.PrintWriter;
import java.io.File;
import java.io.FileNotFoundException;

public class PointPlotter  {
  public static void main(String[] args) throws Exception{

    // For now, how JFrames work is unimportant. Our
    // focus is on using a PointDisplay object,
    // which requires an array of Point objects in order
    // to work.
    JFrame frame = new JFrame("Show Some Points");
    frame.setBounds(300, 300, 615, 650);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    // PointDisplay objects "consume" arrays of Point objects.
    // In other words, if you have an array of Point objects,
    // and pass that array to PointDisplay, it will draw
    // those points for you.
    boolean connect = false;
    int pointDiameter = 10;

    ArrayList<Point> myPoints = makePoints();
    cleanData();



 // DON'T CHANGE THE REST OF THE CODE IN THIS METHOD:
    PointDisplay display = new PointDisplay(myPoints, pointDiameter, connect);
    frame.add(display);
    frame.setVisible(true);

  }

//  // Returns an array list of 3 points.  Just so you can
//  // see how a method can return array lists:
//  public static Point[] easyArray() {
//
// Point[] result = {
//  new Point(50, 60),
//  new Point(400, 300),
//  new Point(90, 174)
// };
//
// return result;
//  }

  public static void cleanData() throws FileNotFoundException{
    PrintWriter cleanData  = new PrintWriter (new File ("cleanData.txt"));
    Scanner input = new Scanner (new File ("messyData.txt"));

    String word;
    int newInt;
    int coordinateCount = 0;
    double oldDouble;

    while (input.hasNext()) {
    if (input.hasNextDouble()) {
      oldDouble = input.nextDouble();
      newInt = (int)(oldDouble);

      if (coordinateCount == 0) {
        cleanData.print(newInt + " ");
        coordinateCount++;
      }
      else {
        cleanData.println(newInt);
        coordinateCount=0;
      }
    }
    else {
       word = input.next();
    }
    }
    cleanData.close();
    input.close();
  }

  public static ArrayList<Point> makePoints() throws Exception {
     Scanner in = new Scanner(new File("cleanData.txt"));

     ArrayList<Point> result = new ArrayList<Point>();

     while (in.hasNextInt() == true) {
        int x = in.nextInt();
        int y = in.nextInt();

        result.add(new Point(x, y));
     }

     return result;
  }
}