import java.awt.*;
import java.applet.*;
import java.util.*;

public class benchapplet extends Applet
    {
      public TextArea textArea = new TextArea (6, 50);
      Button compute = new Button("Start Benchmark") ;
      Button clearbutton = new Button("Clear TextArea") ;

    public void init ()
        {
          add(compute);
          add(clearbutton) ;
          add(textArea) ;

          compute.setBackground(Color.red) ;
          clearbutton.setBackground(Color.green) ;
       }       


 public void computebench() {
 this.textArea.append("Starting multiplication of two doubles in 10^4 * 10^4 loops:\n") ;
   double i,j,k=0;
   long tcalc;
   long begin = System.currentTimeMillis() ;

   for(i=1; i<10000; i++)
    for(j=1; j<10000; j++)
     k = i*j ;
  tcalc = (System.currentTimeMillis() - begin);
  this.textArea.append("Compute Time (ms): " +tcalc + "\n\n") ;
  }


   public boolean action(Event evt, Object arg) {
    if (evt.target == clearbutton) {
     this.textArea.setText("") ;
     return true ;
     }

    else
      if (evt.target == compute) {
         computebench() ;
         return true;
        }

       else return false;
    }                 // end action handler


 }