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import java.awt.*;
import java.applet.*;
/*<applet code="dda.class" width="800" height="800">
</applet>*/
public class dda extends Applet
{
  public void paint(Graphics g)
  {
    double dx,dy,steps,x,y,k;
    double xc,yc;
    double x1=200,y1=500,x2=600,y2=200;
    dx=x2-x1;
    dy=y2-y1;
    if(Math.abs(dx)>Math.abs(dy))
    steps=Math.abs(dx);
    else
    steps=Math.abs(dy);
    xc=(dx/steps);
    yc=(dy/steps);
    x=x1;
    y=y1;
    g.fillOval(200,500,5,5);
    for(k=1;k<=steps;k++)
    {
      x=x+xc;
      y=y+yc;
      g.fillOval((int)x,(int)y,5,5);
    }
  }
}