Java´«ÖµºÍ´«ÒýÓ㺠ÕÅÈýºÍÀîËĵĹÊÊÂ
ÏÂÃæ¿ª½²¹ÊÊ£º
´ÓǰÓиö·¿¼ä£¬·¿¼äÀïÓзÝÎĵµ£¬·¿¼ä»¹ÓÐÒ»°ÑÔ¿³×¡£ Õâ°ÑÔ¿³×ÔÚÕÅÈýÊÖÀï¡£
ÕâʱÀîËÄÀ´ÏòÕÅÈýÒªÄÇ·ÝÎĵµ¡£ ÕÅÈý²»Ì«Ï²»¶ÀîËÄ£¬µ«ÓÖŵ¢ÎóÁË
¹¤×÷²»ºÃ½»´ú¡£ÓÚÊÇÕÅÈý¾Í°Ñ·¿¼äÀïÎĵµµÄÎĵµ¸´Ó¡ÁËÒ»·Ý£¬È»ºó°ÑÄǸö¸´Ó¡¼þ½»¸øÁËÀîËÄ£¨Õâ½Ð´«Öµ£©¡£
ÀîËÄÄõ½Îĵµºó£¨¸´Ó¡¼þ£©£¬ºúÂÒÐÞ¸ÄÒ»·¬£¬ÐÄÏ룺ÕÅÈý£¬Õâ»ØÒªÄãºÃ¿´¡£¿ÉÊÇËûûÏëµ½ÄÇ·ÝÔ¼þ»¹ºÃºÃµÄÔÚÕÅÈýµÄ·¿¼äÀïËø×ÅÄØ¡£
ÒÔÉϹÊʶÔÓ¦£º
public static void counter(int count) {
count = 2;
}
Õâ¸öÀîËIJ»¸ÊÐÄ£¬ÓÚÊÇËû͵͵µØÅäÁËÒ»°ÑÕÅÈýµÄÔ¿³×£¨Õâ½Ð´«ÒýÓã©£¬ ×¼±¸½øÈë·¿¼äÐÞ¸ÄÄÇ·ÝÎĵµ¡£
Õâʱ»ÕÅÈý¼°Ê±·¢ÏÖ£¬ËûÇÄÇĵİÑÀîËÄÅäµÄÔ¿³×»»³ÉÁËÁíÍâÒ»¸ö·¿¼äµÄÔ¿³×¡£
ÀîËÄÈ¥ÁË´íÎóµÄ·¿¼ä¡£ ÕÅÈýÔÙ´ÎÒÔʤÀû¸æÖÕ£¡
ÒÔÉϹÊʶÔÓ¦£º
public static void changeA1(int[] ints) {
ints = temp;
int[] temp = new int[3];
ints[0] = 7;
ints[1] = 8;
ints[2] = 9;
}
ÀîËÄïÆ¶ø²»ÉᣬËû³ÃÕÅÈý»¹³Á½þÁ½´ÎʤÀûµÄϲÔÃÀÖÕÓڳɹ¦µÄÅäÁËÔ¿³×£¨Õâ½Ð´«ÒýÓã©£¬´ïµ½ÁËÐÞ¸ÄÄÇ·ÝÎĵµÔ¼þµÄÄ¿µÄ¡£
ÒÔÉϹÊʶÔÓ¦£º
public static void changeA2(int[] ints) {
ints[0] = 4;
ints[1] = 5;
ints[2] = 6;
}
¹Êʽ²ÍêÁË¡£ ÕâÀïÐèҪעÒâµÄÊÇÎÞÂÛÊÇ´«Öµ»¹ÊÇ´«ÒýÓ㬴«µÄ¶¼ÊǸ´±¾£¨Îĵµ¸´Ó¡¼þ»òÅäµÄÔ¿³×£©¡£
Ïà¹ØÎĵµ£º
create PROCEDURE pagelist
@tablename nvarchar(50),
@fieldname nvarchar(50)='*',
@pagesize int output,--ÿҳÏÔʾ¼Ç¼ÌõÊý
@currentpage int output,--µÚ¼¸Ò³
@orderid nvarchar(50),--Ö÷¼üÅÅÐò
@sort int,--ÅÅÐò·½Ê½£¬1±íʾÉýÐò£¬0±íʾ½µÐòÅÅÁÐ
......
¼¯ºÏģʽ£º
×÷Ó㺴¦ÀíÓÉһЩ¶ÔÏó×é³ÉµÄ×é»òÕß¼¯ºÏ£»´¦ÀíÈçºÎ×éÖ¯ÀàºÍ¶ÔÏóÀ´Ðγɸü´ó½á¹¹µÄϸ½Ú£»¹Ø×¢Éè¼ÆÒ»¸öÎÞÈßÓàÊý¾ÝÀàµÄ×îÓÐЧ·½·¨£»ÔÊÐíÔÚÒ»×é¶ÔÏ󹹳ɵļ¯ºÏÉ϶¨Òå²Ù×÷¡£
1. ºÏ³É£ºÔÊÐíµ¥¸ö¶ÔÏóºÏ³É¶ÔÏóÒÔÒ»ÖÖͳһµÄ·½Ê½±»·ÃÎÊ¡£»»¾ä»°Ëµ£¬ºÏ ......
/**
* ±£ÁôÁ½Î»Ð¡Êý
* @param d
* @return
*/
private static double remainTwoNumbers(double d){
java.math.BigDecimal f1 = new java.math.BigDecimal(d);//СÊýµãºó±£Áô2Î ......
ÒªÀíÀà¼ÓÔØÌåϵ½á¹¹£¬¾Í±ØÐëÇå³þÈçϼ¸µã±È½Ï»ù±¾µÄÔÔò:
1. classLoaderÊÇÒ»ÖÖ¸¸×ÓÊ÷Ðνṹ£¨×¢£ºÕâÀï²»ÊÇÖ¸Àà¼Ì³ÐµÄ¸¸×Ó¹ØÏµ£©
2. ¸¸classLoaderÎÞ·¨¿´µ½×ÓclassLoader¼ÓÔØµÄÀà
3¡¢ÐéÄâ»ú×ñÊØË«Ç×ίÍмÓÔØÔÔò£¬¼´ÈκÎ×ÓclassLoaderÐëÊ×ÏÈίÍи¸classLoaderÏȼÓÔØÐèÒªµÄÀ࣬µ±¸¸classLoader¼ÓÔØ²»µ½Ê±ÔÙÓÉ×ÓclassLoa ......
ÎÄÖÐÒýÓÃÁËËïÀÏʦµÄ´úÂ룬²¢×¢Ã÷¡£
import java.io.*;
import java.net.*;
public class EchoServer {
private int port=8888;
private ServerSocket serverSocket;
public EchoServer() throws IOException {
serverSocket = new ServerSocket(port);
System.out.println("·þÎñÆ÷Æô¶¯");
......