Install sun-jdk-1.6 on Ubuntu11.04
setp1: download jdk-6u27-linux-i586.binsetp2: Create Folder
michael@XXXX:/opt$ sudo mkdir eclipseIDEmichael@XXXX:/opt$ sudo mkdir jvmmichael@XXXX:/opt$ lseclipseIDEjvm
setp3:copy jdk-6u27-linux-i586.bin to /opt/jvm
michael@XXXX:/opt$ sudo cp /media/eclipse_and_project/tool/jdk-6u27-linux-i586.bin/opt/jvm/jdk-6u27-linux-i586.bin
setp4: Install jdk-6u27-linux-i586.bin
michael@XXXX:/opt$ sudo sh /opt/jvm/jdk-6u27-linux-i586.bin setp5: setting java configure
michael@XXXX:/opt$ sudo gedit /etc/environment wireted:export JAVA_HOME=/opt/jvm/jdk1.6.0_27export JRE_Home=/opt/jvm/jdk1.6.0_27/jreexport CLASSPATH=$CLASSPATH:$JAVA_HOME/lib:$JRE_HOME/lib setp6: make it effective
michael@XXXX:/opt$ source ~/.bashrc setp7: choose a default jdk
michael@XXXX:/opt$ sudo update-alternatives --install /usr/bin/java java /opt/jvm/jdk1.6.0_27/bin/java 300michael@XXXX:/opt$ sudo update-alternatives --install /usr/bin/javac javac /opt/jvm/jdk1.6.0_27/bin/javac 300michael@XXXX:/opt$ sudo update-alternatives --config javaThere are 2 choices for the alternative java (providing /usr/bin/java).Selection Path Priority Status------------------------------------------------------------0 /usr/lib/jvm/java-6-openjdk/jre/bin/java 1061 auto mode* 1 /opt/jvm/jdk1.6.0_27/bin/java 300 manual mode2 /usr/lib/jvm/java-6-openjdk/jre/bin/java 1061 manual modePress enter to keep the current choice
[*], or type selection number: 1michael@XXXX:/opt$ java -versionjava version "1.6.0_27"Java(TM) SE Runtime Environment (build 1.6.0_27-b07)Java HotSpot(TM) Server VM (build 20.2-b06, mixed mode)michael@michael-F5V:/opt$
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