javaµÚ6Ìì¿ÎÌñʼÇ
abstractÐÞÊηû
1.ÓÃabstractÐÞÊεÄÀà±íʾ³éÏóÀ࣬³éÏóÀàλÓڼ̳ÐÊ÷µÄ³éÏó²ã£¬³éÏóÀ಻Äܱ»ÊµÀý»¯£¬¼´²»ÔÊÐí´´½¨
³éÏóÀà±¾ÉíµÄʵÀý¡£Ã»ÓÐÓÃabstractÐÞÊεÄÀà³ÆÎª¾ßÌåÀ࣬¾ßÌåÀàÊÇ¿ÉÒÔ±»ÊµÀý»¯µÄ¡£
2.ÓÃabstractÐÞÊεķ½·¨±íʾ³éÏó·½·¨£¬³éÏó·½·¨Ã»Óз½·¨Ìå¡£³éÏó·½·¨ÓÃÀ´±íÊöϵͳ¾ßÓÐʲôÑùµÄ¹¦ÄÜ£¬
µ«ÊDz»Ìṩ¾ßÌåµÄʵÏÖ¡£Ã»ÓÐÓÃabstractÐÞÊεķ½·¨³ÆÎª¾ßÌå·½·¨£¬¾ßÌå·½·¨¿ÉÒÔÓз½·¨Ìå¡£
abstractÐÞÊηûÌØµã£º
1.³éÏóÀàÖпÉÒÔûÓгéÏó·½·¨£¬µ«Êǰüº¬³éÏñ·½·¨µÄÀà±ØÐë±»¶¨ÒåΪ³éÏóÀà¡£
2.ûÓгéÏó¹¹Ôì·½·¨£¬Ò²Ã»ÓгéÏóµÄ¾²Ì¬·½·¨¡£staticºÍabstractÐÞÊηû²»ÄÜÁ¬Óá£
3.³éÏóÀàÖпÉÒÔÓзdzéÏóµÄ¹¹Ôì·½·¨£¬´´½¨×ÓÀàµÄʵÀýÊÇ¿ÉÄÜ»áµ÷ÓÃÕâЩ¹¹Ôì·½·¨¡£
4.³éÏóÀ಻Äܱ»ÊµÀý»¯¡£È»¶ø¿ÉÒÔ´´½¨Ò»¸öÓ¦ÓñäÁ¿£¬ÆäÀàÐÍÊÇÒ»¸ö³éÏóÀ࣬²¢ÈÃËüÒýÓóéÏóµÄ×ÓÀàµÄÒ»¸öʵÀý¡£
5.³éÏóÀàÒÔ¼°³éÏó·½·¨²»Äܱ»finalÐÞÊηûÐÞÊΡ£
½Ó¿ÚµÄÌØµã£º
1.½Ó¿ÚÖеijÉÔ±±äÁ¿Ä¬È϶¼ÊÇpublic¡¢static¡¢finalÀàÐ͵쬱ØÐë³õʼ»¯¡£
2.½Ó¿ÚÖеķ½·¨Ä¬È϶¼ÊÇpublic¡¢abstractÀàÐ͵Ä
3.½Ó¿ÚÖÐÖ»Äܰüº¬public¡¢static¡¢finalÀàÐ͵ijÉÔ±±äÁ¿ºÍpublic¡¢abstractÀàÐ͵ijÉÔ±·½·¨¡£
4.½Ó¿ÚÖÐûÓй¹Ôì·½·¨£¬²»Äܱ»ÊµÀý»¯
5.Ò»¸ö½Ó¿Ú²»ÄÜʵÏÖÁíÒ»¸ö½Ó¿Ú£¬µ«ÊÇËü¿ÉÒÔ¼Ì³ÐÆäËûµÄ½Ó¿Ú¡£
6.½Ó¿Ú±ØÐëͨ¹ýÀàÀ´ÊµÏÖËüµÄ³éÏó·½·¨¡£
7.Óë×ÓÀà¼Ì³Ð³éÏó¸¸ÀàÏàʶ£¬µ±ÀàʵÏÖÁËij¸ö½Ó¿Úʱ£¬Ëü±ØÐëȥʵÏÖ½Ó¿ÚÖÐËùÓеijéÏó·½·¨£¬·ñÔòÕâ¸öÀà±ØÐë±»¶¨ÒåΪ³éÏóÀà¡£
8.Ò»¸öÀàÖ»Äܼ̳ÐÒ»¸öÖ±½ÓµÄ¸¸À࣬µ«ÄÜʵÏÖ¶à¸ö½Ó¿Ú¡£
Ïà¹ØÎĵµ£º
package com.yc.eap.util;
import java.io.File;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import org.apache.common ......
´úÀíģʽ
´úÀíģʽµÄ×÷ÓÃ: ΪÆäËû¶ÔÏóÌṩһÖÖ´úÀíÒÔ¿ØÖƶÔÕâ¸ö¶ÔÏóµÄ·ÃÎÊ£¬ÔÚijЩÇé¿öÏ£¬Ò»¸ö¿Í»§²»Ïë»òÕß²»ÄÜÖ±½ÓÒýÓÃÁíÒ»¸ö¶ÔÏó£¬
¶ø´úÀí¶ÔÏó¿ÉÒÔÔÚ¿Í»§¶ËºÍÄ¿±ê¶ÔÏóÖ®¼äÆðµ½ ÖÐ½é µÄ×÷ÓÃ
¾ÙÒ»¸öÀý×Ó: ijһ¸öÈËÏëÇëÒ»¸ö¾Ö³¤ÎªËû°ìһЩÊÂÇé,Õâ¸öÈË¿ÉÄܲ»ÄÜÖ±½ÓÈ¥Õâ¸ö¾Ö³¤£¬ÒòΪ¾Ö³¤²»ÈÏʶËû£¬¼´Ê¹¿Í»§¸øËûËÍÀñ» ......
Java½Ó¿Ú×Ô¼º²¢²»×öʵ¼ÊµÄ¹¤×÷£¬ËüΪ×îÖÕ×öÕâЩ¹¤×÷µÄ·½·¨Ö¸¶¨ÔÐÍ¡£½Ó¿ÚµÄÃû×ÖÒ»°ãÒÔable½á⣬Ãû×ÖÆäËûµÄ²¿·Ö˵Ã÷ËüÈçºÎ¹¤×÷¡£
µ±ÊµÏÖÒ»¸ö½Ó¿Úʱ£¬±ØÐë°üº¬½Ó¿ÚÒªÇóµÄ·½·¨¡£¶ÔRunnableÀ´Ëµ£¬±ØÐë°üº¬run·½·¨¡£ ......
¼ûϱߵijÌÐò¶Î
package test;
class A {
public String f(A obj)
{
return("A");
}
}
class B extends A {
public String f(B ob ......
List <String> sqlFileList = new ArrayList <String>();
public List <String> readSqlFiles(List <String> fileNameList) {
List <String> sqlList = new ArrayList <String>();
for (String fi ......