java 配置

1.update-alternatives工具来添加java可选配置项

s u d o u p d a t e a l t e r n a t i v e s i n s t a l l / u s r / b i n / j a v a j a v a / o p t / j d k / j d k 1.7.0 7 1 / b i n / j a v a 700 sudo update-alternatives –install /usr/bin/javac javac /opt/jdk/jdk1.7.0_71/bin/javac 700
$ sudo update-alternatives –install /usr/bin/jar jar /opt/jdk/jdk1.7.0_71/bin/jar 700

700是优先级数值,我这里随便使用了一个数。

$ sudo update-alternatives –config java

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转载自blog.csdn.net/xuzhoubin110/article/details/80651819