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[½»Á÷] Linux ϰ²×°ÅäÖà JDK7

1.ÏÂÔØJDK
Ŀǰ×îеÄJDK°æ±¾ÊÇ£ºJava SE Development Kit 7u5

ÏÂÔØµØÖ·£ºhttp://download.oracle.com/otn-p ... 5-linux-i586.tar.gz

²é¿´×îУºhttp://www.oracle.com/technetwor ... ownloads/index.html

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ÎÒÃǰÑJDK°²×°µ½Õâ¸ö·¾¶£º/usr/lib/jvm
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2 cd /usr/lib
sudo mkdir jvm

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2
3 sudo tar zxvf ./jdk-7-linux-i586.tar.gz  -C /usr/lib/jvm
cd /usr/lib/jvm
sudo mv jdk1.7.0_05/ jdk7

3.ÅäÖû·¾³±äÁ¿
1 gedit ~/.bashrc

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2
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4 export JAVA_HOME=/usr/lib/jvm/jdk7
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib
export PATH=${JAVA_HOME}/bin:$PATH

±£´æÍ˳ö£¬È»ºóÊäÈëÏÂÃæµÄÃüÁîÀ´Ê¹Ö®ÉúЧ

1 source ~/.bashrc

4.ÅäÖÃĬÈÏJDK(Ò»°ãÇé¿öÏÂÕâÒ»²½¶¼¿ÉÒÔÊ¡ÂÔ)
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2 sudo update-alternatives --install /usr/bin/java java /usr/lib/jvm/jdk7/bin/java 300
sudo update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/jdk7/bin/javac 300

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1 sudo update-alternatives --config java

5.²âÊÔ
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1 java -version

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3 java version "1.7.0_05"
Java(TM) SE Runtime Environment (build 1.7.0_05-b05)
Java HotSpot(TM) Server VM (build 23.1-b03, mixed mode)

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