Ubuntu下手工安装JDK

发文时间：update-alternatives --config java

?最后java -version一把，或写个java例子试一下~

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所有用到的命令

sudochmod u+x ./jdk-6u24-linux-i586.bin

sudo./jdk-6u24-linux-i586.bin

sudoln -s ./jdk1.6.0_24/ ./jdk1.6

sudo gedit /etc/profile

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sudoupdate-alternatives --install /usr/bin/java java/home/lcy/opt/jdk1.6/bin/java 300
sudo update-alternatives--install /usr/bin/javac javac /home/lcy/opt/jdk1.6/bin/javac 300

update-alternatives--config java

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java-version

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参考：https://help.ubuntu.com/community/Java