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Import javax.servlet. *;
Import javax.servlet.http. *;
Import java.io. *;
Public class Concurrent Test extends HttpServlet {PrintWriter output;
Public void service (HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {String username;
Response.setContentType ("text/html; charset=gb2312");
Username = request.getParameter ("username");
Output = response.getWriter ();
Try {Thread. sleep (5000); //ΪÁËÍ»³ö²¢·¢ÎÊÌ⣬ÔÚÕâÉèÖÃÒ»¸öÑÓʱ
} Catch (Interrupted Exception e){}
output.println("̞:"+Username+"<BR>");
}
}
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Java Reflect ·´Éä»úÖÆ Ñ§Ï°±Ê¼Ç [ÍòÄÜtoString·½·¨]

ÀûÓÃJava Reflect»úÖƱàдÍòÄÜtoString()·½·¨:
 
 
package com.accp.test.filed;

import java.lang.reflect.AccessibleObject;
import java.lang.reflect.Array;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.List;

publ ......

javaÊý¾Ý½á¹¹½²ÊöÖ®Á´±í

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ÏȽ¨Á¢Ò»¸öʵÀý(Student.java)
package com.yz.mylink;
public class Student {
private Integer id;
private String name;
private Integer age;
private String classes;
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = i ......

Java ÖеÄÄÚ²¿¾²Ì¬Àà

Java ÖÐÄÚ²¿¶¯Ì¬Àà(ûÓÐstatic)¹Ø¼ü×ÖºÍÄÚ²¿¾²Ì¬ÀàµÄ¾ÍÔÚÓÚÄÚ²¿¶¯Ì¬À಻Äܶ¨Ò徲̬±äÁ¿»òÊǾ²Ì¬·½·¨,Èç¹ûÒªÔÚÄÚ²¿ÀàÖÐʹÓþ²Ì¬³ÉÔ±,±ØÐ뽫ÀàÉùÃ÷Ϊ¾²Ì¬Àà. ÄÚ²¿ÀàÖеľ²Ì¬·½·¨¿ÉÒÔ·ÃÎÊÍⲿÀàµÄ¾²Ì¬·½·¨ºÍ±¾ÀàÖеľ²Ì¬·½·¨»ò³ÉÔ±, ·Ç¾²Ì¬·½·¨¿ÉÒÔ·ÃÎÊÆäËûËùÓеķ½·¨»ò³ÉÔ± ......

javaÊý¾Ý½á¹¹Ö®¶Ñջ˼Ï루Êý×飩

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package com.yz.mystack;
public class Stack {
Object[] datas;
Integer n=0;
Integer N=1;
public Stack(){
datas=new Object[N];
}

public void push(Object data){ ......

JAVA Ê÷ Rubicon

import   javax.swing.*;  
import   java.awt.*;  
import   java.awt.event.*;  
import   java.util.*; 
public class Temp {
 public Temp() {
  JFrame J = new JFrame("MENU");
  Container C = J. ......
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