Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

java¶à̬µÄÓ¦Óà - Java / Java SE

interface animal{
  void sayHi();
  String getName();
}

class dog implements animal{
  public void sayHi(){
  System.out.println("I am "+getName()+bark());
  }
  public String bark(){
  return "wang-wang";
  }
  public String getName(){
  return "Bob.";
  }
}

class bulldog extends dog{
  public String getName(){
  return "Mike.";
  }
  public String bark(){
  return "wow-wow";
  }
}

public class test2{
  public static void main(String args[]){
  animal b=new bulldog();
  dog d=(dog)b; //A
  check(d);
  dog dd=(bulldog)b; //B
  check(dd);
  }
  public static void check(dog d){
  System.out.println("I am "+d.getName());
  }
  public static void check(bulldog d){
  System.out.println("I am "+d.getName());
  }
}
//AºÍB´¦ÔõôÀí½âµÄ°¢£¿B´¦dog dd=(bulldog)b;ÊǸ¸ÀàdogÒýÓÃÖ¸Ïò×ÓÀà¶ÔÏóbulldogÂð£¿A´¦Àí½â³É½«Ò»Ö»¹«¹·Ç¿ÖÆ×ª»»³ÉÒ»Ö»¹·£¿È»ºóµ÷ÓÃcheck(dog d)·½·¨,d.getName();Ôõô»¹Êǵ÷Óù«¹·µÄgetName()·½·¨£¿
ÒªÔÎÁ˰¡...
{{----


Ïà¹ØÎÊ´ð£º

C/SÏîÄ¿¼Ü¹¹Éè¼Æ----ÇóÖú - Java / Java SE

±¾ÈËÕýÔÚÓÃJava×öÒ»¸öC/S¼Ü¹¹µÄÏîÄ¿£¬ 
¿ÉÊÇÓÉÓÚÏîÄ¿±È½Ï´ó£¬Ç°ÆÚ¶Ô¼Ü¹¹µÄÉè¼ÆÓÈÆäÖØÒª£¬ÒòΪºóÆÚ¿ÉÄÜËæÊ±»á¼Ó¸ö¹¦ÄÜ»òÕßÈ¥µôijЩ¹¦ÄÜ¡£ 
ËùÒÔÌØµØÑ°ÇóÈçºÎÉè¼ÆC/SµÄ¼Ü¹¹Ê¹³ÌÐò¸ü¼ÓÃæÏò¶ÔÏó¸ü¼ÓÒ×ÓÚά ......

java socket email ÎÊÌâ - Java / Java SE

ÎÒÔÚ javaºËÐļ¼ÊõÉÏ ¿´ÁËÒ»¸ö ÀûÓà Java socket emailµÄÀý×Ó ¿ÉÊÇÔõôҲ ²»³É¹¦ Ϊʲô£¿
Ô´Âë
Java code:

package cn.com.test.email;
import java.awt.GridBagLayout;
import java.awt.event.Action ......

jspÐÂÊÖ,Çë½Ì¸÷λ? - Java / Web ¿ª·¢

³ÌÐòÈçÏÂ:
<%@ page contentType="text/html; charset=GBK" %>
<%@ page language="java" %>
<%@ page import="com.mysql.jdbc.Driver" %>
<%@ page import ......

¹ØÓÚJavaºÍasp - Java / Java SE

´ó¼ÒºÃ£¬ÎÒÏÖÔÚÓÐÒ»¸öÓÃaspдµÄÁÄÌìÊÒ£¬ÏÖÔÚµÄÏëÌí¼ÓÒ»¸ö¹¦ÄÜ£¬¾ÍÊǵ±ÓÐÈËÉÏÏßµÄʱºò£¬·¢³öÌáʾ£¬±ÈÈçÉùÒôÏìһϣ¬ÏÖÔÚÏëÓÃjavaʵÏÖÕâ¸ö¹¦ÄÜ£¬ÇëÎÊ´ó¼ÒÔõôʵÏÖ£¿
ллÁË£¬ÎÒ»á¼Ó·ÖµÄ
aspºÍjavaÕûºÏµ½Ò»ÆðÈ¥£¿ºÎ±Ø ......

javaÖд«Öµ - Java / Web ¿ª·¢

¾ÍÊǼòµ¥µÄ´«ÖµºÍȡֵ
ÇëÎÊÂ¥Ö÷ÏëÎÊʲô£¿

jspÒ³Ãæ²ÉÓÃ±íµ¥»òÕßjavabean´«Öµ¶¼¿ÉÒÔ£¬Ê¹ÓÃrequest.getParameter()»ñµÃʹÓÃ±íµ¥´«¹ýÀ´µÄÖµ¡£

ÎÊÎÊÌ⣬ÏȰÑÎÊÌâ˵Çå³þµã£¡£¡ ÎÊÌâ̫ģºý£¡£¡

ÎÊÎÊÌ⣬ÏȰÑÎ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ