JAVAÖеÄArray.sort£¨£©·½·¨
»¨Á˵ãʱ¼äÈ¥Ñо¿£¬Ò²ËãСÓÐÊÕ»ñ£º
Arrays.sort()·½·¨ÔÚJDKÀïÓкܶ࣬ÆäÖÐ×ÅÖØËµÏÂ
static void
sort(Object[] a)
static
<T> void
sort(T[] a, Comparator<? super T> c)
ǰÕß²ÎÊýÖеÄÊý×éaÖеÄËùÓÐÔªËØ±ØÐëʵÏÖcomparable½Ó¿Ú£¬¿ÉÒÔÖØÔØcomparableµÄ·½·¨compareTo£¨£©¡£
ºóÕß²ÎÊýÖеÄÊý×éaÖеÄËùÓÐÔªËØ±ØÐëʵÏÖcomparable½Ó¿Ú£»²ÎÊýÖеÄComparatorÒýÓÃc ÊÇ¿ØÖÆÅÅÐò˳ÐòµÄ£¬¿ÉÒÔͨ¹ýʵÏÖComparatorÈ»ºóÖØÔØÆäcompare·½·¨À´¶¨Òå¡£
Èô²»ÖØÔرȽϷ½·¨£¬Ôò½á¹ûΪ×ÔÈ»ÅÅÐò¡£
Ïà¹ØÎĵµ£º
Ê×ÏÈ˵Ã÷Ò»ÏÂÕâ¸ö”¿ì”µÄº¬Òå,ÎÒÏëÒÔǰÄÇЩÌÖÂÛÕâ¸ö»°ÌâµÄÈ˵±È»ÈÏΪÕâ¸ö¿ìÊÇÖ¸³ÌÐòµÄÔËÐÐËÙ¶È,ÖÁÓÚ”Èí¼þ¿ª·¢ËÙ¶È”¿ÖÅÂÏëҲûÏë,»òÐíÈÏΪÈí¼þ¿ª·¢ËٶȺÍÕâ¸ö»°Ìâ³¶²»ÉÏÒ»µã¹ØÏµ.ÄÇôÕâ¸öÎÊÌâÔÚÍøÉÏËÑËÑ,ËѵÄÒ»´ó¶Ñ,ÄÇЩc/c++ÕóÓªµÄÁÐÁ˺ܶàÀý×ÓÀ´ËµÃ÷c/c++¿ì, javaÕóÓªµÄÒ²ÊÇÈç´ ......
ÎÒÃÇÓ¦ÓÃijÖÖÊý¾ÝÀàÐÍʱ£¬ºÜ¶àʱºòÒª½øÐÐÀàÐÍת»»µÈ²Ù×÷¡£ÔÚDelphiÖУ¬ÀàÐÍת»»º¯Êý¸Ð¾õºÜÁãÂÒ£¬Èç×Ö·û´®×ªÕûÐΡ¢ÕûÐαä×Ö½ÚÊý×éµÈµÈ¡£
¶øÔÚJAVAÖУ¬ÒѾ½«JavaµÄ»ù±¾Êý¾ÝÀàÐÍÓëÆäÌṩÁËһЩ³£ÓõÄÀàÐͲÙ×÷µÄ·½·¨½øÐÐÁË·â×°£¬ÕâÑù²ÅÓÐÒ»ÇнԶÔÏóµÄ¸Ð¾õ¡£
ÔÚѧϰ°ü×°Ààʱ£¬ÕÒÁ˼¸¸ö±È½ÏÓÐÒâ˼µÄÀà½øÐÐÁËѧϰ£¡
Integer
I ......
ÔÎÄÁ´½Ó£ºhttp://student.csdn.net/space.php?uid=22846&do=thread&id=205&page=1
1¡¢Óï·¨
£º±ØÐë±È½ÏÊìϤ£¬ÔÚд´úÂëµÄʱºòIDEµÄ±à¼Æ÷¶ÔijһÐб¨´íÓ¦¸ÃÄܹ»¸ù¾Ý±¨´íÐÅÏ¢ÖªµÀÊÇʲôÑùµÄÓï·¨´íÎó²¢ÇÒÖªµÀÈκÎÐÞÕý¡£
2¡¢ÃüÁî
£º±ØÐëÊìϤJDK´øµÄһЩ³£ÓÃÃüÁî¼°Æä³£ÓÃÑ¡ÏÃüÁîÖÁÉÙÐèÒªÊìϤ£ºappletviewer¡ ......
import java.util.prefs.*;
public class Registery {
String[] keys = {"oa"};
String[] values = {"reg"};
//°ÑÏàÓ¦µÄÖµ´¢´æµ½±äÁ¿ÖÐÈ¥
public void writeValue() { ......
ºÃ¶à´óÐÍµÄÆóÒµÏîÄ¿¶¼ÒªÓõ½¸ß¼¶JDBCÁ¬½ÓÊý¾Ý¿âÅäÖø߼¶JDBCʵÀýÈçÏ£º
µÚÒ»£ºÅäÖÃTomcatϵÄconfÎļþ¼ÐϵÄcontext.xmlÎļþ
<?xml version='1.0' encoding='utf-8'?>
<Context>
<Resource name="jdbc/Ãû³Æ" auth="Container" type="javax.sql.DataSource"
maxActive="10" maxIdle=" ......