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Sun JDKµÄ°²×°»ù±¾ÉÏÓÐÁ½ÖÖ·½Ê½:
1. ͨ¹ýUbuntuÌṩµÄ°ü¹ÜÀí¹¤¾ß½øÐа²×°
UbuntuÔÚÆä°ü²Ö¿âÀﶼ°üÀ¨ÓÐJDKµÄ°²×°£¬Ö»Òªsources.listÉèÖÃÕýÈ·£¬Í¨
¹ýapt-get, aptitude, Synaptic Package
ManagerµÈ¶¼ÄÜ°²×°£¬¶øÇÒÏà¹ØµÄÉèÖÃÒ²ÈÝÒ׵öࣻÔÚUbuntuµÄÐÂ
·¢²¼°æ±¾Àﶼ´øÁËJDK5.0,ºÍJDK6.0µÄ°²×°Ö§³Ö,¶øÇÒ°æ±¾¶¼±È½Ï¸ß,ºÍSun¹Ù·½µÄ·¢²¼Ã»ÓкܴóµÄ
°æ±¾Âä²î.ÒÔUbuntu7.10À´Ëµ£¬ÌṩµÄJDK5µÄ°æ±¾Îª:1.5.0.13,JDK6µÄ°æ±¾ÊÇ1.6.03£¬ËãÊǺÜеİ汾ÁË.
ÕâÖÖ°²×°·½Ê½È±µãÊÇ£º¶ÔJDK¾ßÌå°æ±¾µÄ¿ÉÑ¡ÔñÐÔ²»ÊǺÜÁé»î£¬ÄãÈôÊÇÏë°²×°×îеÄJDK°æ±¾£¬»òÓÉÓÚÌØÊâµÄÔ­Òò±ØÐë°²×°Ìض¨µÄJDK°æ±¾£¬¿ÉÄܾͱȽϷѾ¢ÁË¡£
ËùÒÔ£¬ÈôÒÔ´ËÖÖ·½Ê½°²×°JDK£¬ÇëÏÈͨ¹ýapt-cache search,
aptitude, Synaptic Package
ManagerµÈ¹¤¾ß²éѯÄãµÄUbuntu·¢Ðа汾¿É°²×°µÄJDK°æ±¾ÊÇ·ñÄÜ·ûºÏÄãµÄ¿ª·¢ÒªÇó£»¾ßÌå°²×° ²½ÖèÇë¿´²ÎÔIJ¿·ÖÌṩµÄÎĵµ¡£
2. ͨ¹ýSunÍøÕ¾ÌṩµÄ×Ô½âѹ°ü½øÐÐÊÖ¶¯µÄ°²×°
ÕâÖÖ·½Ê½ÏÔÈ»ÓÐËüµÄºÃ´¦: ¿É×ÔÓÉÑ¡ÔñJDK°æ±¾£¬ÄܽøÐÐÁé»îµÄÅäÖá£ÆäʵJDKµÄÅäÖÃÊǺܼòµ¥µÄ£ºÄÜÈÃϵͳÕÒµ½JDKËùÔÚµÄĿ¼(JAVA_HOME),ÒÔ±ãµ÷ÓÃÆäĿ¼ÖÐbinĿ¼ÏµÄÏà¹ØÃüÁî½Å±¾¡£
ÔÚ´ËÒÔUbuntu7.10ϵͳ£¬Sun JDK 6.0 update 4ΪÀý˵Ã÷һϾßÌåµÄ°²×°·½Ê½:
2.1. ´ÓSunÕ¾µãÏÂÔØjdk 6.0.4µÄLinux×Ô½âѹÎļþ jdk-6u4-linux-i586.bin;
2.2. °²×°ÅäÖÃ
cd /usr/local/lib
sudo cp /home/jdk-6u4-linux-i586.bin ./
sudo chmod +x jdk-6u4-linux-i586.bin
sudo ./jdk-6u4-linux-i586.bin
Ö´ÐÐ×îºóÒ»²½ÃüÁîºó±ãÔÚµ±Ç°Ä¿Â¼Ï¶àÁËÒ»¸ö“jdk1.6.0_04“µÄĿ¼,ÀïÃæÊÇjdk-6u4-linux-i586.bin½âѹºóJDKµÄÈ«²¿Îļþ;
ÓÉÓÚUnuntu±¾Éí´øÁËgijµÄJVMʵÏÖ£¬ËùÒÔµ±ÄãÔÚTerminalÊäÈë: "java -version"ʱ»áÏÔʾ:
java version "1.5.0"
gij (GNU libgcj) version 4.2.1 (Ubuntu 4.2.1-5ubuntu5)
µÄÏà¹ØÐÅÏ¢¡£Ò²¾ÍÊÇϵͳÖÐÓÐÁ½¸öJVMʵÏÖ£¬¶øÇÒgij JVM»¹±»ÆäËüµÄUbuntu¹¤¾ß»òÈí¼þʹÓã»ËùÒÔÕâÖÖÇé¿öϾ͵ÃʹÓà DebianÌṩµÄ“update-alternatives“¹¤¾ßÀ´Íê³É³ÌÐò¶à°æ±¾ÊµÏÖµÄÑ¡ÔñÁË:
sudo update-alternatives --display java
·¢ÏÖϵͳֻÁоÙÁËgij JVM£»ÒòΪjdk6ÊÇͨ¹ýÊÖ¶¯½âѹ°²×°µÄ¡£
ÏÖÔÚÊäÈëÏÂÃæµÄÁ½ÐÐÃüÁî:
sudo update-alternatives --install /usr/bin/java java /usr/local/lib/jdk1.6.0_04/bin/java 60
sudo updat


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