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¿ÖÆת»»³ÉÒ»Ö»¹·£¿È»ºóµ÷ÓÃcheck(dog d)·½·¨,d.getName();Ôõô»¹Êǵ÷Óù«¹·µÄgetName()·½·¨£¿
ÒªÔÎÁË°¡...
{{----
Ïà¹ØÎÊ´ð£º
JSPÒ³ÃæÖÐÓжà¸öradio°´Å¥
JSPÒ³Ã潫²ÎÊýPOST¸øservlet
ÒªÇóÈçÏÂ;
1.Ñ¡ÔñÒ»¸öradio£¬µ÷ÓÃservlet servletÖиù¾Ý²ÎÊýµ÷ÓÃÆäËû½Ó¿Ú£¬³ý·ÇÑ¡ÖиÃradio²¢µã»÷JSPÖеÄʵР......
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 ......
´ó¼ÒºÃ£¬ÎÒÏÖÔÚÓÐÒ»¸öÓÃaspдµÄÁÄÌìÊÒ£¬ÏÖÔÚµÄÏëÌí¼ÓÒ»¸ö¹¦ÄÜ£¬¾ÍÊǵ±ÓÐÈËÉÏÏßµÄʱºò£¬·¢³öÌáʾ£¬±ÈÈçÉùÒôÏìһϣ¬ÏÖÔÚÏëÓÃjavaʵÏÖÕâ¸ö¹¦ÄÜ£¬ÇëÎÊ´ó¼ÒÔõôʵÏÖ£¿
ллÁË£¬ÎÒ»á¼Ó·ÖµÄ
aspºÍjavaÕûºÏµ½Ò»ÆðÈ¥£¿ºÎ±Ø ......
ÔõôÑù½«id´«¹ýÈ¥°¡£¿£¿£¿ÊǼòµ¥µÄ´«¡£¡£¡£ÔÚµØÖ·À¸ÖÐдidºÅ
LZ ºÃÓÄĬ£¡²»ÖªµÀÄãµÄÒâ˼£¿
ÊÇÏë°ÑID ´«µ½ACTION ? ͨ¹ýURl id=?
²»¹»Ïêϸ ±ðÈ˲»ÖªµÀÔõÑù°ïÄã
../XXXXX.do?id=XXXX&id2=XXXXX
......
Java code:
......
synchronized(user){
int loginNum = Integer.parseInt(Main_Client_Dia.jtf2.getText().trim());
Main_Client_Dia.jtf2.setText("");
loginNum++;
......