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(ZZ)JAVA Properties

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import java.util.*;
public class YourJavaProperties {
 public static void main(String args[]){
 Properties props=System.getProperties();
 System.out.println("JavaµÄÔËÐл·¾³°æ±¾£º"+props.getProperty("java.version"));
 System.out.println("JavaµÄÔËÐл·¾³¹©Ó¦ÉÌ£º"+props.getProperty("java.vendor"));
 System.out.println("Java¹©Ó¦É̵ÄURL£º"+props.getProperty("java.vendor.url"));
 System.out.println("JavaµÄ°²×°Â·¾¶£º"+props.getProperty("java.home"));
 System.out.println("JavaµÄÐéÄâ»ú¹æ·¶°æ±¾£º"+props.getProperty("java.vm.specification.version"));
 System.out.println("JavaµÄÐéÄâ»ú¹æ·¶¹©Ó¦ÉÌ£º"+props.getProperty("java.vm.specification.vendor"));
 System.out.println("JavaµÄÐéÄâ»ú¹æ·¶Ãû³Æ£º"+props.getProperty("java.vm.specification.name"));
 System.out.println("JavaµÄÐéÄâ»úʵÏÖ°æ±¾£º"+props.getProperty("java.vm.version"));
 System.out.println("JavaµÄÐéÄâ»úʵÏÖ¹©Ó¦ÉÌ£º"+props.getProperty("java.vm.vendor"));
 System.out.println("JavaµÄÐéÄâ»úʵÏÖÃû³Æ£º"+props.getProperty("java.vm.name"));
 System.out.println("JavaÔËÐÐʱ»·¾³¹æ·¶°æ±¾£º"+props.getProperty("java.specification.version"));
 System.out.println("JavaÔËÐÐʱ»·¾³¹æ·¶¹©Ó¦ÉÌ£º"+props.getProperty("java.specification.vender"));
 System.out.println("JavaÔËÐÐʱ»·¾³¹æ·¶Ãû³Æ£º"+props.getProperty("java.specification.name"));
 System.out.println("JavaµÄÀà¸ñʽ°æ±¾ºÅ£º"+props.getProperty("java.class.version"));
 System.out.println("JavaµÄÀà·¾¶£º"+props.getProperty("java.class.path"));
 System.out.println("¼ÓÔØ¿âʱËÑË÷µÄ·¾¶Áб


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  1  String command  =   " cmd /c C:/Program Files/MySQL/MySQL Server 5.0/bin>mysqldump -h localhost -u root -p aijia > E:/aijia.dmp " ;
  2      try    {
  3     Process process& ......

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JAVA_HOME£º C:\j2sdk1.4.2_13
 
Path£º         C:\j2sdk1.4.2_13\bin;
Classpath£º.;JAVA_HOME\lib\tools.jar ; JAVA_HOME\lib\dt.jar;
                 &n ......

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import java.awt.*;
import javax.swing.*;
import java.util.Date;
import java.awt.*;
class Time extends JFrame implements Runnable{//ʵÏÖ½Ó¿Ú
Thread clockThread;
   JLabel jLabel=new JLabel();
   public Time()
   {
   Container con=this.getContentPane() ......

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