³ÉΪJava¸ßÊÖµÄ25¸öѧϰҪµã
1. ÄãÐèÒª¾«Í¨ÃæÏò¶ÔÏó·ÖÎöÓëÉè¼Æ(OOA/OOD)¡¢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¤×÷»úÖÆµÈ¡£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»ÖÖpersistence/ORM¹¹¼Ü£¬ÀýÈçHibernate¡¢JDO¡¢CocoBase¡¢TopLink¡¢InsideLiberator(¹ú²úJDOºì¹¤³§Èí¼þ)»òÕßiBatis¡£
6. Ä㻹Ӧ¸ÃÁ˽â¶ÔÏó¹ØÏµµÄ×迹ʧÅäµÄº¬ÒåÒÔ¼°ËüÊÇÈçºÎÓ°ÏìÒµÎñ¶ÔÏóÓë¹ØÏµÐÍÊý¾Ý¿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°ËûÃÇÏÂÃæµÄÉæ¼°Ä£Ê½£¬ÈçMVC/MODEL2¡£
9. ÄãÐèҪѧϰÈçºÎʹÓü°¹ÜÀíWeb·þÎñÆ÷£¬ÀýÈçtomcat¡¢resin¡¢Jrun£¬²¢ÇÒÖªµÀÈçºÎÔÚÆä»ù´¡ÉÏÀ©Õ¹ºÍά»¤Web³ÌÐò¡£
10. ÄãÐèҪѧϰ·Ö²¼Ê½¶ÔÏóÒÔ¼°Ô¶³ÌAPI£¬ÀýÈçRMIºÍRMI/IIOP¡£
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(JavaAPIforXML/RPC)¡¢SAAJ(SOAPwithAttachmentsAPIforJava)¡¢JAXB(JavaArchitectureforXMLBinding)¡¢JAXM(JavaAPIforXMLMessaging)¡¢JAXR(JavaAPIforXMLRegistries)»òÕßJWSDP(JavaWebServicesDeveloperPack)¡£
14. ÄãÐèҪѧϰһÃÅÇáÁ¿¼¶Ó¦ÓóÌÐò¿ò¼Ü£¬ÀýÈçSpring¡¢PicoContainer¡¢Avalon£¬ÒÔ¼°ËüÃǵÄIoC/DI·ç¸ñ(setter£¬constructor£¬interfaceinjection
Ïà¹ØÎĵµ£º
1. Java¼ÆËãʱ¼äÒÀ¿¿1970Äê1ÔÂ1ÈÕ¿ªÊ¼µÄºÁÃëÊý. &nbs ......
Ubuntu/debian ¸ü¸ÄĬÈÏJava»·¾³
ÎҵĵçÄÔÀï°²×°ÁËÁ½¸ö°æ±¾µÄJava£¬Ò»¸öÊÇjava-6-sun£¬»¹ÓÐÒ»¸öÊÇjava-gcj
gcjÊÇÔÚJVM·Ç³£»ºÂýµÄʱºòµ®ÉúµÄ£¬Ëû¿ÉÒÔ°ÑJava´úÂë±àÒë³É±¾µØ´úÂë £¬¹ØÓÚgcjÔÝÇÒ˵Õâô¶à£¬»Øµ½Ö÷Ìâ¡£
ÐÞ¸ÄĬÈÏjava»·¾³Óõ½ÃüÁîupdate-java-alternatives
1¡¢Ê¹ÓÃupdate-java-alternatives -l²é¿´Ä¿Ç°ÒѾ°²×° ......
XML Êý¾Ý¸ñʽºÜÄÑËÑË÷£¬µ«ÊÇ×î½üËæ×Å XQuery API µÄ³öÏÖ£¬XML ËÑË÷±äµÃ·Ç³£Áé»îºÍ¼òµ¥¡£¶ÔÓÚʹÓà SAX¡¢DOM¡¢JDOM¡¢JAXP µÈ´¦Àí XML ÎĵµµÄ Java™ ³ÌÐòÔ±À´Ëµ£¬¹¤¾ßÏäÖÐÔö¼Ó XQuery API for Java ÊÇÒ»¼þÖµµÃ¸ßÐ˵ÄÊ¡£ÏÖÔÚ Java ³ÌÐòÔ±²»ÓÃÔÙÇóÖúÓÚϵͳµ÷ÓûòÕß±¿×¾µÄ API ¾ÍÄÜÀûÓà XQuery µÄÇ¿´ó¹¦ÄÜÁË£¬Sun ÌṩÁËÒ» ......
¼¯ºÏÀà˵Ã÷¼°Çø±ð
Collection
©ÀList
©¦©ÀLinkedList
©¦©ÀArrayList
©¦©¸Vector
©¦¡¡©¸Stack
©¸Set
Map
©ÀHashtable
©ÀHashMap
©¸WeakHashMap
Collection½Ó¿Ú
¡¡¡¡CollectionÊÇ×î»ù±¾µÄ¼¯ºÏ½Ó¿Ú£¬Ò»¸öCollection´ú±íÒ»×éObject£¬¼´CollectionµÄÔªËØ£¨Elements£©¡£Ò»Ð©
CollectionÔÊÐíÏàͬµÄÔªËØ¶øÁíһЩ²»ÐС ......