Çë½Ìjava ÎÊÌâ¡£
дһ¸öApplication³ÌÐò£¬½çÃæÉÏ·ÅÖÃÁ½¸öTextfield,Ò»¸öButton,Óû§ÔÚµÚÒ»¸öTextfieldÖÐÊäÈëÐÕÃûºóÇûسµ¼ü¿ÉÒÔÔÚµÚ¶þ¸öTextfieldÖÐÊä³ö£º“Welcome you,ÓÃÐÕÃû”¡£Óû§µã»÷Button¿ÉÒÔÍ˳ö³ÌÐò¡£
°ï°ïæ°É£¡¼òµ¥µÄJavaÓïÑÔ¡£Ð»Ð»À²£¡
Ïà¹ØÎĵµ£º
PO VO BO DTO POJO DAOÃǵĸÅÄî
J2EE¿ª·¢ÖдóÁ¿µÄרҵËõÂÔÓïºÜÊÇÈÃÈËÃÔ»ó£¬ÓÈÆäÊǸúһЩ¸ßÊÖÌÖÂÛÎÊÌâµÄʱºò£¬Èý·ÖÖӾͱ»È˼ÒÂú¿ÚµÄרҵÊõÓïÅçÔÎÁË£¬PO VO BO DTO POJO DAO£¬Ò»´ó¶ÑµÄ¾ÍÀ´ÁË£¨Ìý¹ýÀÏÂÞ¶ÔÕâÖÖÏÖÏóµÄÅúÅеÄÅóÓÑ»á»áÐÄһЦ£©¡£
Ê×ÏÈÉùÃ÷żҲ²»ÊÇʲô¸ßÊÖ£¬ÒÔÏÂ×ܽᶼÊÇ×Ô¼ºµÄÌå»á¡£²»¶ÔÖ®´ ......
=====suppose such a method:
public static void openFile(String fileName, PrintWriter stream) throws FileNotFoundException
{
stream = new PrintWriter(fileName);
}
=====then we want to use it this way:
PrintWriter toFile = null;
try
{
openFile("data.txt", t ......
Java enum ö¾ÙÀàÐÍ
ö¾ÙÀàÐÍÊÇÒ»¸ö³£Á¿¼¯ºÏµÄÊý¾ÝÀàÐÍ¡£
ÒòΪ¶¼Êdz£Á¿£¬ËùÒÔÒ»¸öö¾ÙÀàÐÍÖеÄ×Ö¶ÎÃû¶¼Òª´óд¡£
ÔÚJAVAÖУ¬Ã¶¾ÙÀàÐ͵͍ÒåÊÇͨ¹ý“enum“¹Ø¼ü×Ö½øÐеġ£ÀýÈçÄãÒª¶¨Òå
Ò»¸ö±íʾһ¸öÐÇÆÚµÄÿһÌìµÄö¾ÙÀàÐÍ£º
public enum Day {
SUNDAY, MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY ......
ÔÎÄÇë¿´
http://www.ibm.com/developerworks/cn/websphere/techjournal/0701_botzum/0701_botzum.html
ºóÐøÎÒ»á¶ÔÏÂÃæÌáµ½µÄ19µã½øÐÐһЩÊʵ±µÄÅú×¢,ËãÊÇ×Ô¼ºµÄ¶ÁÊé±Ê¼Ç
ÒýÑÔ
ÔÚ¹ýÈ¥µÄ¼¸ºõÕûÕûÊ®ÄêÖУ¬ÈËÃDZàдÁ˺ܶàÓÐ¹Ø Java™ Platform, Enterprise Edition (Java EE) ×î¼Ñʵ¼ùµÄÄÚÈÝ¡£ÏÖÔÚÓÐÊ®¶à±¾Êé¼®ºÍÊý ......
1. ʼÖÕʹÓà MVC ¿ò¼Ü¡£
½«ÒµÎñÂß¼£¨Java Bean ºÍ EJB ×é¼þ£©´Ó¿ØÖÆÆ÷Âß¼£¨Servlet/Struts ²Ù×÷£©ºÍ±íʾÂß¼£¨JSP¡¢XML/XSLT£©ÖÐÇåÎúµØ·ÖÀë³öÀ´¡£Á¼ºÃµÄ·Ö²ã¿ÉÒÔ´øÀ´Ðí¶àºÃ´¦¡£
×¢:¶ÔÓÚһЩСÐ͵ĻòÕßÒµÎñÏà¶Ô¼òµ¥µÄϵͳ¶øÑÔ,Óÿò¼Ü¿ª·¢²¢²»ÄÜ´øÀ´ÈκÎÐ§Òæ,²¢ÇÒÎÒÉîÐÅÔÚһЩÏîÄ¿¿ª·¢ÖÐ,ÌØ±ðÊǽö½öÓÉij¸öÈ˶ÀÁ ......