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1.ʹÓÃJFrameµÄenableEventsºÍprocessWindowEvent
//Frame1.java
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Frame1 extends JFrame {
  public Frame1() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    this.setSize(new Dimension(400, 300));
    this.setTitle("Frame1");
  }
  protected void processWindowEvent(WindowEvent e) {
    super.processWindowEvent(e);
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      System.exit(0);
    }
  }
}
2.Ö±½ÓʵÏÖWindowListener½Ó¿Ú
//Frame1.java
import java.awt.*;
import java.awt.event.*;
public class Frame1 extends Frame implements WindowListener {
  public Frame1() {
    this.setSize(new Dimension(400, 300));
    this.setTitle("Frame1");
    this.addWindowListener(this);
  }
  public void windowClosing(WindowEvent windowEvent) {
    System.exit(0);
  }
  public void windowOpened(WindowEvent windowEvent) {  }
  public void windowClosed(WindowEvent windowEvent) {  }
  public void windowIconified(WindowEvent windowEvent) {  }
  public void windowDeiconified(WindowEvent windowEvent) {  }
  public void windowActivated(WindowEvent windowEvent) {  }
  public void windowDeactivated(WindowEvent windowEvent) {  }
}
3.Ö±½Ó¼Ì³Ð´°ÌåÊÊÅäÆ÷WindowAdapter
//Frame1.java
import java.awt.*;
import java.awt.event.*;
public class Frame1 extends  WindowAdapter {
  public Frame1() {
    Frame f=new Frame();
    f.setSize(new Dimension(400, 300));
    f.setTitle("Frame1");
    f.addWindowListener(this);
    f.setVisible(true);
  }
  public static void main(St


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package OALogic.sql.data;
import java.io.*;
public class FileOperate {
   public FileOperate() {
   }
  
   public static void main(String args[]){
       newFolder("D:/100");
   }
   /**
  ......

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public class HelloWorld {

public static void main(String[] args) {
// TODO Auto-generated method stub
System.out.print("Hello World!");
......

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Myeclipse±¨Could not create Java VM

Myeclipse±¨Could not create Java VM
 
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½ñÌìһֱʹÓÃDEBUGģʽÆô¶¯tomcatÒ»Ö±ºÜÂý£¬ËùÒÔÏëʹÓÃRUNģʽÀ´Æô¶¯£¬µ«ÊÇÿ´ÎÆô¶¯¶¼±¨´í“could not create the java virtual machine”£¬ÌáʾÉèÖÃÄÚ´æ²»×㣬°Ù¶ÈÏ£¬¶¼ÒªÇóÐÞ¸Äeclipse.iniÅäÖÃÎļþ£¬µ«ÊÇÐÞ¸ÄÁ˲»ºÃÊ ......
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