jdk安装位数。

Question

之前安装的是32位的jdk,现在想安装64位的jdk，怎么卸载之前的呢？

Answer 1

可以直接安装64位，修改下环境变量就可以了。

Answer 2

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Answer 3

可以直接装，把环境变量都改掉就行，卸载在系统自带的控制面板卸载程序里