ÐÂÈ˵ÄjavaÎÊÌâ
ѧjavaÁ½¸öСʱÁË£¬´ó¼Ò°ïæ¿´¿´ÏÂÃæµÄjavaÔõô´íÔÚÄÄÀï¡£¡£¡£¸Ðл£¡
Java code:
import java.util.*;
class Tree
{
int height;
Tree()
{
prt("Planting a seedling");
height = 0;
}
Tree(int i)
{
prt("Creating new Tree that is "+i+" feet tall");
height = i;
}
void info()
{
prt("Tree is"+height+"feet tall");
}
void info(String s)
{
System.out.println(s);
}
}
public class Overloading
{
public static void main(String[] args)
{
for(int i =0;i<5;i++){
Tree t = new Tree(i);
t.info();
t.info("overload method");}
new Tree();
}
}
±àÒëÏÔʾÒÔÏ´íÎó£º
Overloading.java:8: cannot resolve symbol
symbol : method prt (java.lang.String)
location: class Tree
prt("Planting a seedling");
^
Overloading.java:13: cannot resolve symbol
symbol : method prt (java.lang.String)
location: class Tree
prt("Creating new Tree that i
Ïà¹ØÎÊ´ð£º
ÎÒÏÖÔÚÓÃstruts2¿ò¼Ü,ÐèҪʹÓÃajaxʵÏÖ¾Ö²¿Ë¢Ð£¬µ«ÊÇ´ÓÈÝÆ÷Àï·µ»ØµÄÖµ²»ÖªµÀÔõô´Óstruts.xmlÅäÖÃÎļþÀïÓ³Éäµ½jspÒ³ÃæÀÒÔǰservletÀïдout.orint("xxxxx")¾Í¿ÉÒԵõ½~£¬µ«ÊÇÏÖÔÚÓÃstruts¾Í²»ÖªµÀÔõôР......
private static final String URL = "jdbc:oracle:thin:@localhost:1521:orcl";
private static final String USERNAME = "sys";
private static final String PASSWORD = "s ......
Ò»¸öJSPÒ³Ãæ½ÓÊÕÆäËûÒ³ÃæÌá½»¹ýÀ´µÄFORM±íµ¥£¬µ«ÊÇÒªÇóÖ»½ÓÊÕµ±Ç°Õ¾µã¼°Æä×ÓÕ¾µãÌá½»¹ýÀ´µÄFORM±íµ¥£¬ÆäËûÕ¾µãÌá½»¹ýÀ´µÄ±íµ¥²»½ÓÊÕ£¬Õâ¸öÔõôÉèÖã¿
ÓùýÂËÆ÷
filter
½«µ±Ç°Õ¾µã¼°Æä×ÓÕ¾µã·ÅÒ»¸öĿ¼
È» ......
ÎÒ¶¨ÒåÁËÒ»¸öJRadioButtonNanµÄµ¥Ñ¡°´Å¥£¬Èç¹ûÔÚÎÒÑ¡ÔñÁËÕâ¸ö°´Å¥ºóÏëµã»÷ÖØÖÃÈÃÕâ¸ö°´Å¥´¦ÓÚδѡÔñµÄ״̬¸ÃÔõô×öÄØ£¿Çë¸ßÊÖÖ¸½Ì
jRadioButton.setSelected(false);
²»ÖªµÀÄãÊÇʲôÒâ˼
Õâ¸öÊDz»Ñ¡Ôñ״̬ÁË
Î ......
JSPÒ³ÃæÖÐÓжà¸öradio°´Å¥
JSPÒ³Ãæ½«²ÎÊýPOST¸øservlet
ÒªÇóÈçÏÂ;
1.Ñ¡ÔñÒ»¸öradio£¬µ÷ÓÃservlet servletÖиù¾Ý²ÎÊýµ÷ÓÃÆäËû½Ó¿Ú£¬³ý·ÇÑ¡ÖиÃradio²¢µã»÷JSPÖеÄʵР......