Oracle ¹«²¼ Java ·¢Õ¹²ßÂÔ
¼×¹ÇÎÄÒѾÍê³ÉÁ˶ÔSUN¹«Ë¾µÄÊÕ¹º£¬ÓÚ1ÔÂ27ÈÕ·¢²¼Á˶ÔSun¸÷ÏîÒµÎñµÄÕûºÏ¹æ»®¡£×ÜÌåÉÏ˵£¬OracleÒª³ÉΪÈíÓ²¼þÒ»Ì廯µÄÕûÌå½â¾ö·½°¸µÄ³§ÉÌ¡£ ÒÔÏÂ¾ÍÆä¶Ô±¸ÊܹØ×¢µÄJava·½ÃæµÄ²ßÂÔ×ö¸ö½éÉÜ¡£
Java SE:
1£©ÍƳöJDK SE 7£¬ Ëü½«°üÀ¨¶à¸öÐµĹ¦ÄÜ£¬ÈçÌá¸ß¿ª·¢ÈËÔ±µÄЧÂÊ£¬Ìṩ¸ßÐÔÄÜ£¬¶Ô¶àºËоƬµÄÖ§³ÖµÈ¡£
2£©SunµÄHotSpotºÍBeaµÄJRockit¶¼ÊDzßÂÔÐÔÐéÄâ»ú£ºÈÚºÏÁ½ÕßµÄ×î¼ÑÌØÐÔ£¬Ìṩ¹ÜÀíºÍʵʱ¼à¿Ø¹¦ÄÜ£¬ÔÚhypervisorÕâ²ãÖÐÔËÐÐ ±¾µØÐéÄâ»ú´úÂ룬֧³Ö¶àºËCPU NUMA¼Ü¹¹µÄ±àÒëÓÅ»¯µÈ¡£
3) ¼ÌÐøÖ§³Ö¶àÖÖ²Ù×÷ϵͳƽ̨¡£
Java EE:
1£©¼ÌÐø·¢Õ¹Java EEµÄ²Î¿¼ÊµÏÖ£¨RI,reference implementation), ½øÒ»²½¶ÔÄ³Ð©ÖØÒªµÄ·½Ïò£¬È翪·Å±ê×¼µÄÄ£¿é»¯£¬ÐµÄÇáÁ¿¼¶·þÎñÆ÷ÅäÖã¬RIAºÍÓû§½çÃæ£¬½Å±¾ºÍ¶¯Ì¬ÓïÑÔÒÔ¼°Web ServicesµÈ¡£
2£©Glassfish¿ªÔ´Ó¦Ó÷þÎñÆ÷½«¼ÌÐø×÷ΪJava EEµÄRI£¬Weblogic½«¼ÌÐø×÷ΪÆóÒµ¼¶µÄÓ¦Ó÷þÎñÆ÷¡£
3) GlassFish½«¼ÌÐø±£³ÖÏÖÓеķ¢²¼·½Ê½¡£
Java ME:
1)ͳһµÄJavaMEºÍJava SEµÄAPI¡£
2)ÓÅ»¯Java ME£¬°üÀ¨Æô¶¯ºÍÔËÐеÄÐÔÄÜ£¬ÐµÄÓû§½»»¥Ä£Ê½£¬ÄÜÔ´ÏûºÄÓÅ»¯£¬¶ÔjavaFX MobileµÄÓÅ»¯£¬ÒÆÖ²µ½IP TV,blue RayºÍÆäËûǶÈëÉ豸¡£
3) ±£³Ö¶ÔÔËÓªÉ̺ÍÉ豸³§¼ÒµÄ¶þ½øÖÆÓÅ»¯¡£
javaFX ¸»»¥ÁªÍøÓ¦ÓÃ(Rich Internet Applications)
1£©Í¨¹ýÀ©Õ¹Java¹¦ÄÜÀ´ÌṩǰËùδÓеÄRIAÌåÑ飻
2£©ÃæÏò£¨½çÃæ£©Éè¼ÆµÄ¿ÉÊÓ»¯×é×°£»
3) ¸ßЧµÄUI×é¼þ¿â£»
4£©¿çÉ豸µÄ¿ÉÒÆÖ²ÐÔºÍÓû§½»»¥Ä£ÐÍ£¬°üÀ¨Òƶ¯¡¢×ÀÃæ¡¢µçÊÓÒÔ¼°ÆäËûÉ豸¡£
5£©ÊµÏÖÎÞ·ìµÄÓëjava, javascript ÒÔ¼°html 5µÄ»¥²Ù×÷ÐÔ¡£
6£©²¹³äOracle ADF/ADF MobileµÄ¹¦ÄÜ¡£
Java¿ª·¢¹¤¾ß
1£©SunµÄNetBeans¼ÌÐø×÷ΪÇáÁ¿¼¶µÄJava IDE, ÖØµãÔÚJava EE6£¬Java MEºÍ½Å±¾ÓïÑÔ£¬Ôö¼ÓÔÚÒÆ¶¯Ó¦ÓúͶ¯Ì¬½Å±¾ÓïÑԵĹØ×¢£¬Hudson½«×÷Ϊ¿ªÔ´µÄBuild·½°¸¡£
2£©¼×¹ÇÎĵÄJDeveloper½«¼ÌÐø³ÉΪOracleµÄ²ßÂÔÐԵĿª·¢¹¤¾ß£¬Ö÷Òª×÷ÓÃÊǺÍfusionµÈÖмä¼þµÄ¼¯³É¡£
3) ¼ÌÐø¶ÔEclipse iDEµÄÖ§³ÖºÍ×÷¹±Ïס£
http://www.bjsrlw.com
Ïà¹ØÎĵµ£º
1.OOPÖÐΨһ¹ØÏµµÄÊǶÔÏóµÄ½Ó¿ÚÊÇʲô£¬¾ÍÏñ¼ÆËã»úµÄÏúÊÛÉÌËý²»¹ÜµçÔ´ÄÚ²¿½á¹¹ÊÇÔõÑùµÄ£¬ËûÖ»¹ØÏµÄÜ·ñ¸øÄãÌṩµç¾ÍÐÐÁË£¬Ò²¾ÍÊÇÖ»ÒªÖªµÀcan or not¶ø²»ÊÇhow and why.ËùÓеijÌÐòÊÇÓÉÒ»¶¨µÄÊôÐÔºÍÐÐΪ¶ÔÏó×é³ÉµÄ£¬²»Í¬µÄ¶ÔÏóµÄ·ÃÎÊͨ¹ýº¯Êýµ÷ÓÃÀ´Íê³É£¬¶ÔÏó¼äËùÓеĽ»Á÷¶¼ÊÇͨ¹ý·½·¨µ÷Óã¬Í¨¹ý¶Ô·â×°¶ÔÏóÊý¾Ý£¬ºÜ´óÏÞ¶ÈÉÏÌḠ......
ÓÃjavaÌṩµÄapiʵÏÖ´ÓÖ¤ÊéÎļþ(±¾ÊµÀýʵÑé¶ÔÏóΪ*.cerÎļþ)ÖлñÈ¡ÓÐЧÐÅÏ¢µÄ·½·¨..
public static X509Certificate getCert(String fileName) throws Exception {//´ÓÒ»¸öÓÐЧµÄÖ¤ÊéÎļþÀ´´´½¨Ö¤Êé..
InputStream inStream = new FileInputStream(fileName);
CertificateFactory cf = CertificateFactory.get ......
×Öĸ ÈÕÆÚ»òʱ¼äÔªËØ ±íʾ ʾÀý
G
Era ±êÖ¾·û
Text
AD
y
Äê
Year
1996; 96
M
ÄêÖеÄÔ·Ý
Month
July; Jul; 07
w
ÄêÖеÄÖÜÊý
Number
27
W
Ô·ÝÖеÄÖÜÊý
Number
2
D
ÄêÖеÄÌìÊý
Number
189
d
Ô·ÝÖеÄÌìÊý
Number
10
F
Ô·ÝÖеÄÐÇÆÚ
Number
2
E
ÐÇÆÚÖ ......
1.É¢Áм¯HashSet
HashSetÀàÔÚjava.util°üÖÐ
A.¹¹Ôì·½·¨£ºHashSet()
B.³£Ó÷½·¨
public boolean add(Object o)£ºÏò¼¯ºÏÖÐÌí¼ÓÖ¸¶¨ÔªËØo
&nb ......
ÏÂÔØ dom4j-1.6.1.jar¡£
1: package org.zzp.common.xml.dom4j;
2:
3: import java.io.FileWriter;
4: import java.io.IOException;
5: import org.dom4j.Document;
6: import org.dom4j.DocumentHelper;
7: import org.dom4j.Element;
8: import org.dom4j.io.OutputFormat;
9: impor ......