getexceptiontimeframe.java

java灵感设计

package getexceptiontime;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import com.borland.jbcl.layout.*;
import java.util.*;

/**
 * <p>Title: getExceptionTime Demo</p>
 * <p>Description: This is a getExceptionTime demo</p>
 * <p>Copyright: Copyright (c) 2002</p>
 * <p>Company: d6-125</p>
 * @author Liujun
 * @version 1.0
 */

public class getExceptionTimeFrame extends JFrame {
  JPanel contentPane;
  XYLayout xYLayout1 = new XYLayout();
  JLabel jLabel1 = new JLabel();
  JLabel jLabel2 = new JLabel();

  //Construct the frame
  public getExceptionTimeFrame() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  //Component initialization
  private void jbInit() throws Exception  {
    //setIconImage(Toolkit.getDefaultToolkit().createImage(getExceptionTimeFrame.class.getResource("[Your Icon]")));
    contentPane = (JPanel) this.getContentPane();
    contentPane.setLayout(xYLayout1);
    this.setSize(new Dimension(353, 163));
    this.setTitle("get Exception Time Frame demo");
    this.addWindowListener(new java.awt.event.WindowAdapter() {
      public void windowOpened(WindowEvent e) {
        this_windowOpened(e);
      }
    });
    contentPane.add(jLabel2,     new XYConstraints(21, 85, 302, 45));
    contentPane.add(jLabel1, new XYConstraints(21, 36, 302, 45));
  }
  //Overridden so we can exit when window is closed
  protected void processWindowEvent(WindowEvent e) {
    super.processWindowEvent(e);
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      System.exit(0);
    }
  }

  void this_windowOpened(WindowEvent e) {
      int i = 0;
      int ntry = 1000000;
      Stack s = new Stack();//创建一个堆栈
      long s1;
      long s2;
      s1 = new Date().getTime();
      for (i = 0; i <= ntry; i++)
         if (!s.empty()) s.pop();//使用空栈检测方法
      s2 = new Date().getTime();
       //输出使用的时间
      jLabel1.setText("测试空栈使用的时间："+(s2 - s1) + " milliseconds");

       s1 = new Date().getTime();
      for (i = 0; i <= ntry; i++)
      {  try
         {  s.pop();//使用捕作违例方法
         }
         catch(EmptyStackException ei)
         {
         }
      }
      s2 = new Date().getTime();
       //输出使用的时间
      jLabel2.setText("测试捕作空栈违例使用的时间："+(s2 - s1) + " milliseconds");
   }
}