*³ÉΪJava¸ßÊÖµÄ25¸öѧϰҪµã*
1. ÄãÐèÒª¾«Í¨ÃæÏò¶ÔÏó·ÖÎöÓëÉè¼Æ£¨OOAOOD£©¡¢É漰ģʽ£¨GOF£¬J2EEDP£©ÒÔ¼°×ÛºÏģʽ¡£ÄãÓ¦¸ÃÁ˽âUML£¬ÓÈÆäÊÇclass¡¢object¡¢interactionÒÔ¼°statediagrams. ¡¡¡¡2. ÄãÐèҪѧϰJavaÓïÑԵĻù´¡ÖªÊ¶ÒÔ¼°ËüµÄºËÐÄÀà¿â£¨collections¡¢serialization¡¢streams¡¢networking¡¢multithreading¡¢reflection¡¢event¡¢handling¡¢NIO¡¢localizationÒÔ¼°ÆäËû£©¡£¡¡¡¡3. ÄãÓ¦¸ÃÁ˽âJVM¡¢classloaders¡¢classreflectÒÔ¼°À¬»ø»ØÊյĻù±¾¹¤×÷»úÖƵȡ£ÄãÓ¦¸ÃÓÐÄÜÁ¦·´±àÒëÒ»¸öÀàÎļþ²¢ÇÒÃ÷°×һЩ»ù±¾µÄ»ã±àÖ¸Áî¡£¡¡¡¡4. Èç¹ûÄ㽫Ҫд¿Í»§¶Ë³ÌÐò£¬ÄãÐèҪѧϰWebµÄСӦÓóÌÐò£¨applet£©£¬±ØÐèÕÆÎÕGUIÉè¼ÆµÄ˼ÏëºÍ·½·¨£¬ÒÔ¼°×ÀÃæ³ÌÐòµÄSWING¡¢AWT¡¢SWT.Ä㻹Ӧ¸Ã¶ÔUI²¿¼þµÄJavaBEAN×é¼þģʽÓÐËùÁ˽⡣JavaBEANSÒ²±»Ó¦ÓÃÔÚJSPÖÐÒÔ°ÑÒµÎñÂß¼´Ó±íÏÖ²ãÖзÖÀë³öÀ´¡£¡¡¡¡5. ÄãÐèҪѧϰJavaÊý¾Ý¿â¼¼Êõ£¬²¢ÇÒ»áʹÓÃÖÁÉÙÒ»ÖÖpersistenceORM¹¹¼Ü£¬ÀýÈçHibernate¡¢JDO¡¢CocoBase¡¢TopLink¡¢InsideLiberator£¨¹ú²úJDOºì¹¤³§Èí¼þ£©»òÕßiBatis. ¡¡¡¡6. Ä㻹Ӧ¸ÃÁ˽â¶ÔÏó¹ØϵµÄ×迹ʧÅäµÄº¬ÒåÒÔ¼°ËüÊÇÈçºÎÓ°ÏìÒµÎñ¶ÔÏóÓë¹ØϵÐÍÊý¾Ý¿âµÄ½»»¥£¬ºÍËüµÄÔËÐнá¹û¡£»¹ÐèÒªÕÆÎÕ²»Í¬µÄÊý¾Ý¿â²úÆ·ÔËÓ㬱ÈÈçOracle¡¢MySQL¡¢SQL server. ¡¡¡¡7. ÄãÐèҪѧϰServlets¡¢JSP£¬ÒÔ¼°JSTL£¨StandardTagLibraries£©ºÍ¿ÉÒÔÑ¡ÔñµÄµÚÈý·½TagLibraries. ¡¡¡¡8. ÄãÐèÒªÊìϤÖ÷Á÷µÄÍøÒ³¿ò¼Ü£¬ÀýÈçJSF¡¢Struts¡¢Tapestry¡¢Cocoon¡¢WebWork£¬ÒÔ¼°ËûÃÇÏÂÃæµÄÉ漰ģʽ£¬ÈçMVCMODEL2. ¡¡¡¡9. ÄãÐèҪѧϰÈçºÎʹÓü°¹ÜÀíWeb·þÎñÆ÷£¬ÀýÈçtomcat¡¢resin¡¢Jrun£¬²¢ÇÒÖªµÀÈçºÎÔÚÆä»ù´¡ÉÏÀ©Õ¹ºÍά»¤Web³ÌÐò¡£¡¡¡¡10. ÄãÐèҪѧϰ·Ö²¼Ê½¶ÔÏóÒÔ¼°Ô¶³ÌAPI£¬ÀýÈçRMIºÍRMIIIOP. ¡¡¡¡11. ÄãÐèÒªÕÆÎÕ¸÷ÖÖÁ÷ÐÐÖмä¼þ¼¼Êõ±ê×¼ºÍÓëJava½áºÏʵÏÖ£¬±ÈÈçTuxedo¡¢CROBA£¬µ±È»Ò²°üÀ¨JavaEE±¾Éí¡£¡¡¡¡12. ÄãÐèҪѧϰ×îÉÙÒ»ÖÖµÄXMLAPI£¬ÀýÈçJAXP£¨JavaAPIforXMLProcessing£©¡¢JDOM£¨JavaforXMLDocumentObjectModel£©¡¢DOM4J»òJAXR£¨JavaAPIforXMLRegistries£©¡£¡¡¡¡13. ÄãÓ¦¸ÃѧϰÈçºÎÀûÓÃJavaµÄAPIºÍ¹¤¾ßÀ´¹¹½¨WebService.ÀýÈçJAX-RPC£¨JavaAPIforXMLRPC£©¡¢SAAJ£¨SOAPwithAttachmentsAPIforJava£©¡¢JAXB£¨JavaArchitectureforXMLBinding£©¡¢JAXM£¨JavaAPIforXMLMessaging£©¡¢JAXR£¨JavaAPIforXMLRegistries£©»òÕßJWSDP£¨JavaWebServicesDeveloperPack£©¡£¡¡¡¡14. ÄãÐèҪѧϰһÃÅÇáÁ¿¼¶Ó¦ÓóÌÐò¿ò¼Ü£¬ÀýÈçSpring¡¢PicoContainer¡¢Avalon£¬ÒÔ¼°Ë
Ïà¹ØÎĵµ£º
1. import java.util.*;
2.(A) public class Test
{ public static void main(String[] args)
{
//Éú³É [0-n) ¸ö²»Öظ´µÄËæ»úÊý st ÓÃÀ´±£´æ ......
jdkÌṩÁËZipÏà¹ØµÄÀà·½±ãµÄʵÏÖѹËõºÍ½âѹËõ¡£Ê¹Ó÷½·¨ºÜ¼òµ¥¡£Ï±߷ֱðÊÇѹËõºÍ½âѹËõµÄ¼òµ¥ÊÂÀý
1¡¢Ñ¹ËõµÄ
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.zip.ZipE ......
Http´¦Àí²½Öè:
1.¿Í»§¶ËºÍWeb·þÎñÆ÷½¨Á¢Á¬½Ó;
2.¿Í»§¶Ë·¢ËÍhttpÇëÇó;
3.·þÎñÆ÷¶Ë½ÓÊÕ¿Í»§¶ËµÄhttpÇëÇó,Éú³ÉhttpÏìÓ¦»Ø·¢;
4.·þÎñÆ÷¹Ø±ÕÁ¬½Ó.
ÇëÇó:ÇëÇóÐÐ,ÇëÇóÍ·,¿ÕÐÐ,ÏûÏ¢Ìå.
ÏìÓ¦:״̬ÐÐ,ÏìӦͷ,¿ÕÐÐ,ÏûÏ¢Ìå.
Servlet:
Ìصã:1.ÆÕͨµÄJava´úÂë,ʹÓÃÁËеÄAPI;
2.²»ÊôÓÚJ2SE,¾ßÓе¥¶ÀµÄ¹æ·¶;
3.¼Ì³ÐÓÚHttpS ......
ÏñÒƶ¯Íø¹ØÒ»Ñù£¬iisforwardÕâ¸öISAPI¹ýÂËÆ÷Ò²»á¶Ôrequest¶ÔÏó½øÐÐÔÙ°ü×°£¬¸½¼ÓһЩWLSÒªÓõÄÍ·ÐÅÏ¢¡£ÕâÖÖÇé¿öÏ£¬Ö±½ÓÓÃrequest.getRemoteAddr()ÊÇÎÞ·¨È¡µ½ÕæÕýµÄ¿Í»§IPµÄ¡£
ʵ¼ÊµÄiisforward¸½¼ÓÍ·ÈçÏ£º
WL-Proxy-Client-IP=211.161.1.239
Proxy-Client-IP=211.161.1.239
X-Forwarded-For=211.161.1.239
WL- ......