Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

JAVA¸ß¼¶Èí¼þ¹¤³Ìʦ¾ÍÒµ°à

¿Î³ÌÄÚÈÝ
¸ü¼ÓʵÓÿÆÑ§µÄJava»ù´¡¿Î³Ì
¾ßÓÐÔúʵµÄ±àÂ빦µ×ÊÇÒ»¸öJava¹¤³Ìʦ±Ø±¸µÄÄÜÁ¦£¬ÎÒÃÇÁ¦Çó´ÓѧԱ½Ó´¥JavaµÄµÚÒ»ÌìÆð¾ÍÅàÑøÆäÐγÉÕýȷ˼¿¼ÎÊÌâµÄ·½Ê½¡£ÎÒÃǵĹØ×¢µã²»½ö½öÔÚÓÚ¶Ôij¸öÀà¿â£¨API£©µÄÕÆÎÕ£¬¸ü¶àµÄÊÇÏòѧԱչʾÆóÒµÖÐÕæÕýÒªÖØÊÓµÄÎÊÌ⣬ÀýÈçÒì³£ÈçºÎ´¦Àí¡¢Ëã·¨ÈçºÎÓÅ»¯µÈ¡£Í¬Ê±£¬ÎÒÃÇ×¢ÖØÈÃÑ§Ô±Ñø³ÉÁ¼ºÃµÄ±àÂëºÍÎĵµ×¢ÊÍϰ¹ß£¬±àд³öÆóÒµÈϿɵĴúÂë¡£
Ö÷ÒªÄÚÈݰüÀ¨£º
ÃæÏò¶ÔÏó³ÌÐòÉè¼Æ¡¢Java»ù´¡ºÍºËÐÄAPI£»Java¸ß¼¶ÌØÐÔ£¨¶àỊ̈߳¬·´É䣬¶¯Ì¬´úÀíµÈµÈ£©£»Éè¼ÆÄ£Ê½¼°ÆäÓ¦Óã»Linux²Ù×÷ϵͳµÈ¡£
Á÷ÐеÄÊý¾Ý¿â¿Î³Ì
¶ÔÓÚÆóÒµ¼¶Ó¦ÓÃϵͳ£¬Êý¾Ý¿âÖÁ¹ØÖØÒª£¬¿Î³ÌѡȡÁËÆóÒµ¼¶Êý¾Ý¿âOracleºÍ¹ã·ºÊ¹ÓõĿªÔ´Êý¾Ý¿âMySQL£¬ÖØµã¹Ø×¢Êý¾Ý¿âµÄÉè¼ÆºÍÊý¾ÝµÄ·ÃÎʼ¼ÇÉ¡£
Ö÷ÒªÄÚÈݰüÀ¨£º
OracleÊý¾Ý¿â»ù´¡£»Êý¾Ý¿âÉè¼Æ£»PL/SQL¸ß¼¶±à³Ì£»OracleÊý¾Ý·ÃÎÊÓÅ»¯£»MySQLÊý¾Ý¿â»ù´¡µÈ¡£
¸ü¾ßʵÓüÛÖµµÄ»ùÓÚB/SϵͳµÄ¿Î³ÌÌåϵ
»ùÓÚä¯ÀÀÆ÷µÄB/SÌåϵ½á¹¹£¬ÊÇĿǰÆóҵϵͳÖг£ÓÃÇÒ³ÉÊìµÄÌåϵ½á¹¹£¬ÊÇÎÒÃÇÏîĿʵսÖÐËù¹Ø×¢µÄÖØµã¡£
AJAX(Asynchronous Java  script  and XML)ÊǶàÖÖ¼¼ÊõµÄ×ۺϣ¬ÔÚĿǰµÄWeb2.0Èȳ±Öеõ½Á˹㷺µÄÓ¦Óá£ÔÚÎÒÃǵĿγÌÌåϵÖн«½²ÊöÈçºÎʹÓÃAJAX¹¹½¨¸üΪ¶¯Ì¬£¬²¢ÇÒÏìÓ¦¸üÁéÃôµÄWebÓ¦ÓóÌÐò¡£
Ö÷ÒªÄÚÈݰüÀ¨£º
JDBC£»JSP/Servlet£»Tomcat·þÎñÆ÷»ù´¡£»Tomcat¸ß¼¶ÅäÖã»Java  script  ¸ß¼¶±à³Ì£»AJAXºËÐÄÄÚÈÝ£»AJAX³£Óÿò¼Ü¼°±êÇ©¿âµÈ¡£
J2EEÇáÁ¿¼¶½â¾ö·½°¸
Struts¡¢Spring¡¢HibernateÊÇÒµÄÚ¶¦¶¦´óÃûµÄ¿ªÔ´¿ò¼Ü¡£µ«ÎÒÃǹØ×¢µÄ²»½ö½öÊÇ֪ʶ±¾Éí£¬ ¸üÊÇÓ¦¸Ã×ñÑ­µÄ¹ý³Ì£º“ÆóÒµÏîÄ¿ÖгöÏÖÁËʲôÎÊÌâ”→“ÕâЩ¿ò¼Ü½â¾öÕâЩÎÊÌâµÄ²ßÂÔÊÇʲô”→“ÈçºÎÀûÓÃÕâЩ¿ò¼ÜÊìÁ·µØ½â¾öÎÊÌâ”→“ÕâЩ¿ò¼Ü»áÓÐÄÄЩ±×¶ËºÍ²»×㣬ÔÚʵ¼ùÏîÄ¿ÖÐÈçºÎÈ¥ÓÅ»¯ºÍÀ©Õ¹”¡£
Ö÷ÒªÄÚÈݰüÀ¨£º
Struts£»Spring£»HibernateµÈ¡£
Java EEºËÐļ¼Êõ£¨¼ÓÈëEJB 3.0£©
Java EEºËÐÄ·þÎñJNDI¡¢RMI¡¢JMS¡¢JTAµÈÊDZȽϳÉÊìµÄ¼¼Êõ£¬ÊÇÆóÒµ¼¶ÏîÄ¿µÄ»ù´¡£¬ÊÇÎÒÃÇÐèÒªÖØµã¹Ø×¢µÄ»°Ìâ¡£ EJB 3.0µÄ·¢²¼¸øEJB´øÀ´ÁËеĻîÁ¦£¬ÎÒÃÇÒªÁì»áÆäºËÐÄ£¬°ÑÎÕ¼¼Êõ·¢Õ¹µÄÂöÂç¡£
Ö÷ÒªÄÚÈݰüÀ¨£º
Java EEºËÐÄ·þÎñ£¨JNDI¡¢JTA¡¢JMS£©£»Java EEºËÐÄÉè¼ÆÄ£Ê½£»EJB£¨°üÀ¨EJB 3.0£©µÈ¡£
¼«ÏÞ±à³Ì·½·¨£¨XP£©¡¢ÊµÓÃµÄÆóÒµ¿ª·¢»·¾³
¼«ÏÞ±à³Ì£¨XP£©£¬ÕâÒ»¾­¹ýʵ¼ù¿¼ÑéµÄÈí¼þ¿ª·¢·½·¨£¬ÒѾ­±»Ðí¶à´óÐÍ¿ª·¢ÍŶӳɹ


Ïà¹ØÎĵµ£º

javaÈëÃÅ

 Javaѧϰ´ÓÈëÃŵ½¾«Í¨ 
Ò»¡¢ JDK (Java Development Kit) 
JDKÊÇÕû¸öJavaµÄºËÐÄ£¬°üÀ¨ÁËJavaÔËÐл·¾³£¨Java Runtime Envirnment£©£¬Ò»¶ÑJava¹¤¾ßºÍJava»ù´¡µÄÀà¿â(rt.jar)¡£²»ÂÛʲôJavaÓ¦Ó÷þÎñÆ÷ʵÖʶ¼ÊÇÄÚÖÃÁËij¸ö°æ±¾µÄJDK¡£Òò´ËÕÆÎÕJDKÊÇѧºÃJavaµÄµÚÒ»²½¡£×îÖ÷Á÷µÄJ ......

java»ñÈ¡³ÌÐòµ±Ç°Ä¿Â¼¡£

import java.net.URL;
import java.net.URLDecoder;
public class PathUtil
{
 /**
  * Get the env of windir, such as "C:\WINDOWS".
  * @return the env of windir value.
  */
 public static String getWindir(){
  return System.getenv("windir");
 }
 
......

´ø×Åjavaѧpython

 pythonÕýÎÄ£º     ºÍÆäËüÓïÑÔÒ»Ñù£¬ÎÒÃÇ¿ÉÒÔÒÔÃüÁîÐеÄÐÎʽ¸øÄãµÄpython³ÌÐò´«µÝ²ÎÊý£¬pyhtonÄܹ»×Ô¶¯°ÑÃüÁîÐвÎÊýÒÔ×Ö·û´®ÁбíµÄÐÎʽ´æ´¢ÔÚsysÄ£¿éµÄarv±äÁ¿¡£ok£¬ÎÒÃÇÏÈÀ´¿´¸öÀý³Ì£º
 
#  ÎļþÃû: printargs.py
#ÓÃ;£ºÑÝʾpythonµÄ´«²Î
import sys
print sys.argv
ÔÚÃü ......

A example to run the Java APP in bat

@echo off cls REM --- BEG MACHINE-DEPENDENT ---- set HOME_J2RE=C:\Program Files\Java\jdk1.5.0_17 REM --- END MACHINE-DEPENDENT ---- set HOME_JAVA=%HOME_J2RE%\bin\java set HOME_JAVA="%HOME_JAVA%" set ARG_MEMORY=-Xms128m -Xmx196m set PROP_POLICY=-Dorg.ragingcat.kst.uikeytool.policy.extende ......

java ¶àÏß³Ì ×¨Ìâ

CoreJava¶àÏß³Ì
Ï̵߳ĸÅÄ
Ïß³ÌÖ¸½ø³ÌÖеÄÒ»¸öÖ´ÐÐÁ÷³Ì£¬Ò»¸ö½ø³Ì¿ÉÒÔ°üº¬¶à¸öÏ̡߳£
ÿһ¸ö½ø³Ì¶¼¶ÀÏíÒ»¿éÄÚ´æ¿Õ¼ä¡£Ã¿¸ö½ø³Ì¶¼ÐèÒª²Ù×÷ϵͳΪÆä·ÖÅä¶ÀÁ¢µÄÄÚ´æµØÖ·£¬¶øÍ¬Ò»½ø³ÌÖеĶà¸öÏß³ÌÔÚͬһ¿éµØÖ·¿Õ¼ä¹¤×÷£¬ËûÃǹ²ÏíÒ»¿éÄÚ´æºÍ×ÊÔ´¡£
javaÖÐÓÐÁ½Öз½·¨´´½¨Ò»¸ö¶àÏß³ÌÀࣺ
1¡¢¼Ì³Ðjava.lang.ThreadÀ࣬¸²¸ÇT ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ