createcar.java

停车场的程序

package parkproject;

import javax.swing.*;

class createCar
    implements Runnable {
  JPanel jPanel1;
  park mypark;
  int e;
  public createCar(JPanel jPanel1, park mypark) {
    this.jPanel1 = jPanel1;
    this.mypark = mypark;
    e = mypark.getE();
    Thread t = new Thread(this);
    t.start();
  }

  public void run() {
    int i = 0;
    int carid;
    while (true) {
      i++;
      if (i == 5)
        carid = e;
        else if(i==10)
            carid = e/2;
      else
        carid = (int) (10000 * Math.random()) % (2*e) + 1;
      car tmpcar = new car(carid, mypark);
      //car tmpcar = new car(5,mypark);
      jPanel1.add(tmpcar, null);
      Thread t = new Thread(tmpcar);
      jPanel1.paintComponents(jPanel1.getGraphics());
      t.start();
      try {
        Thread.sleep(10000);
      }
      catch (InterruptedException e) {}
    }
  }
}