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2.1.3 °²×°JDK
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 2¡¢°²×°¹ý³ÌÊäÈë“yes”,»Ø³µºó¼ÌÐø°²×°
   
 3¡¢ÔËÐÐÍê±Ïºó »á³öÏÖ“jdk-1_5_0_22-linux-i586.rpm”Õâ¸öÎļþ
   
 4¡¢ÉèÖÃÖ´ÐÐȨÏÞ²¢ÔËÐа²×°Îļþ£¬ÃüÁchmod 775 *.rpm £»rpm –ivh *.rpm
   
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2.1.4 ÅäÖû·¾³±äÁ¿
 1¡¢±à¼­/etc/profile ÃüÁvi /etc/profile
   
 2¡¢ ½«ÒÔÏÂÄÚÈÝÌí¼ÓÖÁÅäÖÃÎļþ
   
 3¡¢½«Ð޸ĵÄÅäÖýøÐÐÉúЧ£¬ÃüÁsource /etc/profile
   
 4¡¢É¾³ýAS3 ×Ô´øjavaºÍjavac Á´½ÓÎļþ ÃüÁrm /usr/bin/java* ;rm /bin/java* ²¢½¨Á¢ÐÂÁ´½Ó
   
2.1.5 ²âÊÔJDK
 1¡¢²é¿´JDK¹¤¾ß¼°Æä°²×°ÐÅÏ¢
   
2¡¢ÔËÐÐHelloWord ²âÊÔ³ÌÐò£¬Ð½¨Hi.java ±£´æ
   
 3¡¢±àÒëHi.java ²¢ÔËÐÐ
   
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