Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

³ÉΪJava¸ßÊÖÐèҪעÒâµÄ25¸öѧϰĿ±ê

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£¬localization£¬ÒÔ¼°ÆäËû)¡£
3.ÄãÓ¦¸ÃÁ˽âJVM£¬classloaders£¬classreflect£¬ÒÔ¼°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»ÖÖpersistence/ORM¹¹¼Ü£¬ÀýÈçHibernate£¬JDO£¬?CocoBase£¬TopLink£¬InsideLiberator(¹ú²úJDOºì¹¤³§Èí¼þ)»òÕßiBatis¡£
6.Ä㻹Ӧ¸ÃÁ˽â¶ÔÏó¹ØϵµÄ×迹ʧÅäµÄº¬Ò壬ÒÔ¼°ËüÊÇÈçºÎÓ°ÏìÒµÎñ¶ÔÏóµÄÓë¹ØϵÐÍÊý¾Ý¿âµÄ½»»¥£¬ºÍËüµÄÔËÐнá¹û£¬»¹ÐèÒªÕÆÎÕ²»Í¬µÄÊý¾Ý¿â²úÆ·ÔËÓ㬱ÈÈçracle£¬mysql£¬mssqlserver¡£
7.ÄãÐèҪѧϰServlets£¬JSP£¬ÒÔ¼°JSTL(StandardTagLibraries)ºÍ¿ÉÒÔÑ¡ÔñµÄµÚÈý·½TagLibraries¡£
8.ÄãÐèÒªÊìϤÖ÷Á÷µÄÍøÒ³¿ò¼Ü£¬ÀýÈçJSF£¬Struts£¬Tapestry£¬Cocoon£¬WebWork£¬ÒÔ¼°ËûÃÇÏÂÃæµÄÉ漰ģʽ£¬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£¬int


Ïà¹ØÎĵµ£º

Javaѧϰ±Ê¼Ç£¨1£©JavaÓïÑÔ¼ò½é


Java ÊÇÒÔÀࣨclass£©µÄÐÎʽÀ´×éÖ¯³ÌÐò£¬²¢ÇÒ»¹Ó²ÐԹ涨£¬ËùÓÐÀàµÄµÄ¸ù½Úµã¶¼ÊÇObjectÀ࣬ÆäÓàµÄ¶¼ÊÇÆä×ÓÀà¡£
Java½öÖ§³Öµ¥¼Ì³Ð£¬¼´Ò»¸öÀàÖ»ÄÜÓÐÒ»¸ö¸¸Àà¡£
Java²»µ¥ÊÇÒ»¸öÃæÏò¶ÔÏóµÄ±à³ÌÓïÑÔ£¬ ³ýÁËÖ§³Ö¶ÔÏóÊý¾ÝÀàÐÍÍ⣬»¹Ö§³ÖһЩ»ù´¡Êý¾ÝÀàÐÍ£¬ÈçÕûÐÍ¡¢ÊµÐÍ¡¢×Ö·ûÐͺͲ¼¶ûÀàÐ͵ȡ£
JavaÓïÑÔµÄÓ¦ÓóÌÐò±à³ ......

javaÄÚ²¿ÀàºÍÄäÃûÀà

ÌáÆðJavaÄÚ²¿ÀࣨInner Class£©¿ÉÄܺܶàÈ˲»Ì«ÊìϤ£¬Êµ¼ÊÉÏÀàËƵĸÅÄîÔÚC++ÀïÒ²ÓУ¬ÄǾÍÊÇǶÌ×ÀࣨNested Class£©£¬¹ØÓÚÕâÁ½ÕßµÄÇø±ðÓëÁªÏµ£¬ÔÚÏÂÎÄÖлáÓжԱȡ£ÄÚ²¿Àà´Ó±íÃæÉÏ¿´£¬¾ÍÊÇÔÚÀàÖÐÓÖ¶¨ÒåÁËÒ»¸öÀࣨÏÂÎĻῴµ½£¬ÄÚ²¿Àà¿ÉÒÔÔںܶàµØ·½¶¨Ò壩£¬¶øʵ¼ÊÉϲ¢Ã»ÓÐÄÇô¼òµ¥£¬Õ§¿´ÉÏÈ¥ÄÚ²¿ÀàËƺõÓÐЩ¶àÓ࣬ËüµÄÓô¦¶ÔÓÚ³õ ......

Java ¶àÏß³ÌÓë²¢·¢±à³Ì×ܽá

ÈÏʶ¶àÈÎÎñ¡¢¶à½ø³Ì¡¢µ¥Ï̡߳¢¶àÏß³Ì
¡¡¡¡ÒªÈÏʶ¶àÏ߳̾ÍÒª´Ó²Ù×÷ϵͳµÄÔ­Àí˵Æð¡£
¡¡¡¡ÒÔÇ°¹ÅÀϵÄDOS²Ù×÷ϵͳ(V 6.22)Êǵ¥ÈÎÎñµÄ£¬»¹Ã»ÓÐÏ̵߳ĸÅÄϵͳÔÚÿ´ÎÖ»ÄÜ×öÒ»¼þÊÂÇé¡£±ÈÈçÄãÔÚcopy¶«Î÷µÄʱºò²»ÄÜrenameÎļþÃû¡£ÎªÁËÌá¸ßϵͳµÄÀûÓÃЧÂÊ£¬²ÉÓÃÅú´¦ÀíÀ´ÅúÁ¿Ö´ÐÐÈÎÎñ¡£
¡¡¡¡ÏÖÔڵIJÙ×÷ϵͳ¶¼ÊǶàÈÎÎñ²Ù×÷ϵͳ£¬ ......

Java²åÈëOracle Spatial¿Õ¼äÊý¾Ý

Java¶ÁÈ¡µØÀíÐÅÏ¢Êý¾ÝÎļþ£¬²¢½«Æä´æÈëOracleÊý¾Ý¿â¡£
package file;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException; ......

JAVAÖÐÓÃÓÚ´¦Àí×Ö·û´®µÄ¡°ÈýÐֵܡ±

JAVAÖÐÓÃÓÚ´¦Àí×Ö·û´®µÄ“ÈýÐֵܔ
JAVAÖÐÓÃÓÚ´¦Àí×Ö·û´®³£ÓõÄÓÐÈý¸öÀࣺjava.lang.String¡¢java.lang.StringBuffer¡¢java.lang.StringBuilder£¬ÕâÈýÕߵĹ²Í¬Ö®´¦¶¼ÊÇfinalÀ࣬²»ÔÊÐí±»¼Ì³Ð£¬ÕâÖ÷ÒªÊÇ´ÓÐÔÄܺͰ²È«ÐÔÉÏ¿¼Âǵģ¬ÒòΪÕ⼸¸öÀ඼ÊǾ­³£±»Ê¹ÓÃ×ŵģ¬ÇÒ¿¼Âǵ½·ÀÖ¹ÆäÖеIJÎÊý±»ÐÞ¸ÄÓ°Ïìµ½ÆäËüµÄÓ¦Óᣠ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ