javaÊý×éÈ¥ÖØ¸´ÔÙÅÅÐò˼·
¾ÍÕâô¸öÑù¡£Ã»ÓÐ˼·°¢
ÄܸæËßÎÒ´ó¸ÅÒªÓõ½ÄÇЩapi»¹ÓÐ˼·
Èç¹ûÓü¯ºÏÀà ±È½Ï¼òµ¥
½«ÄãÊý×éÔªËØÖð¸ö·ÅÈë hashsetÖУ¬ÈçºÎÔÚ¸ù¾ÝCollections¡£sort£¨£©ÊµÏÖ×Ô¼ºµÄÅÅÐò¹æÔòµÄ±È½Ï½Ó¿Ú
¾Í¿ÉÒÔÁË¡£¡£
Ϊʲô²»ÅÅÐòÒÔºóÔÙÈ¥ÖØ¸´ÄØ
ʲôÀàÐ͵ÄÊý×é?int?char?String?
È¥ÖØ¸´¾ÍÖ±½Ó¶ªµ½SetÖÐÈ¥ºÃÁË£¬È»ºóÔÙÅÅÐò¡£
ȷʵÓü¯ºÏÀà¼òµ¥µã
Ö±½Ó²Ù×÷Êý×éµÄ»°Ëٶȸü¿ìµã
¶¼ËµµÃ²»Çå³þ¡£¡£¡£
Java code:
List list = new ArrayList();
List list1 = new ArrayList();
list.add("a");
list.add("b");
list.add("b");
list.add("e");
list.add("i");
list.add("v");
list.add("p");
list.add("a");
list.add("b");
list.add("b");
list.add("e");
list.add("i");
list.add("v");
list.add("p");
Set set = new HashSet();
set.addAll(list);
for(java.util.Iterator it = set.iterator(); it.hasNext(); )
{
list1.add(it.next());
}
java.util.Collections.sort(list1);
System.out.println(list1);
ÔËÐнá¹û£º[a, b, e, i, p, v]
¶î£¬Ö±½ÓÈÓ½øTreeSet£¬ÓбØÒªµÄ»°×
Ïà¹ØÎÊ´ð£º
ÎÊÌâÃèÊö£ºÐ´ÈÕÖ¾¹¦ÄÜ£¬Ð´ºÃµÄдÈÕÖ¾·þÎñ£¬ÆäËûÓû§Í¨¹ýhttpµ÷Ó÷þÎñ£¬´«Èë²ÎÊý£¬È»ºó¼Ç¼ÈÕÖ¾£¬
ÎҵķþÎñ¸ÃÔõôд£¬ ±ðÈËÔõôͨ¹ýhttpµ÷ÓÃÎҵķþÎñ£¬ÎÒÓÃwebserviceдºÃÁËÒ»¸ö£¬¿ÉÊDz¢·¢ÓÐÉÏÏߣ¬Ïë¸ÄÓ ......
ÎÒµÄjava applet ǶÈëhtmlºóÎÞ·¨ÏÔʾ£¬¶øÓÃappletviewerÏÔʾÕý³£ÎªÊ²Ã´£¬»¹ÓоÍÊÇÓÃhtml converterת»¯ºó¿ÉÒÔÏÔʾ£¬ÎªÊ²Ã´£¿Çë´óÏÀ´Í½Ì£¡
HTML code:
<HTML>
<HEAD>
<TITLE>TEST.HTML< ......
µ±ÖªµÀÒ»¸öÈÕÆÚ£¬ÈçºÎ°ÑÕâ¸öÈÕÆÚËùÔÚÑ®µÄǰºóÁ½¸öÈÕÆÚÈ¡³ö
±ÈÈçÊäÈë20090905£¬¾ÍÊäÈë20090901 20090910
Êä³ö20090901 20090910
È¡µÃÌìÊýºó×÷Ò»ÏÂÅжÏÔÙ°ÑÕâ¸ö·½·¨ÓÃÏÂvoid set(int field, int value)
......
public class Student{
//×ֶε͍Òå
private String _number; //ѧºÅ
private String _name; //ÐÕÃû
private   ......
import java.sql.Connection;
import java.sql.Date;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class QueryTest&n ......