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1.ÏÂÔØjdkºÍjre
µÇ¼sunÍøÕ¾http://java.sun.com/javase/downloads/index.jsp£¬ÏÂÔØjdk-6u18-linux-i586.binºÍjre-6u18-linux-i586.bin¡£×¢ÒâÔÚ¹ÙÍøÖÐ
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-i586.rpm.bin)¡£ubuntuÖÐÒ»¶¨ÒªÏÂÔØjdk-6u18-linux- i586.bin(jre-6u18-linux-i586.bin)£¬jdk-6u18-linux-i586-rpm.bin(jre-6u18-
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mkdir /usr/java
cp /home/hyh/software/jdk-6u18-linux-i586.bin /usr/java
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sudo chmod u+x jdk-6u18-linux-i586.bin
./jdk-6u17-linux-i586.bin /usr/java
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sudo gedit /etc/profile
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#set java environment
export JAVA_HOME=/usr/java
export CLASSPATH=$CLASSPATH:$JAVA_HOME/jdk1.6.0_18/lib:$JAVA_HOME/jre1.6.0.18/lib
export PATH=$PATH:$JAVA_HOME/jdk1.6.0_18/bin:$JAVA_HOME/jre1.6.0_18/bin
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java version "1.6.0_17"
Java(TM) SE Runtime Environment (build 1.6.0_17-b04)
Java HotSpot(TM) Client VM (build 14.3-b01, mixed mode, sharing)
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ÊäÈ룺update-alternatives --install /usr/bin/java java /usr/java/jdk1.6.0_17/bin/java 300
update-alternatives --install /usr/bin/j
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