如何从 Ubuntu 中删除 default-jre java 安装?
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how to remove default-jre java installation from Ubuntu?
提问by John Little
I had no java (i.e. java -version said java no found or similar)
我没有java(即java -version 说java no found 或类似)
I installed it like this:
我是这样安装的:
sudo apt-get install default-jre
This results in installing java 1.6 - I need java 1.7
这导致安装 java 1.6 - 我需要 java 1.7
So the next probelem is how to uninstall it.
所以下一个问题是如何卸载它。
I tried this:
我试过这个:
sudo apt-get --purge -remove default-jre
Which seemed to work, but when I do:
这似乎有效,但是当我这样做时:
java -version
I still java respond with 1.6 - i.e. id didnt uninstall java.
我仍然用 1.6 来响应 java - 即 id 没有卸载 java。
Ok, so I guess -remove does not remove the thing it installed. Is there a way to o this?
好的,所以我猜 -remove 不会删除它安装的东西。有没有办法做到这一点?
采纳答案by Bary12
sudo apt-get remove default-jre
removes the package "default-jre". all tho you should ask in askUbuntu
删除包“default-jre”。你应该在askUbuntu 中问的所有问题
回答by gvanto
Bary12's answer worked for me:
Bary12 的回答对我有用:
sudo apt-get autoremove default-jre
sudo apt-get autoremove default-jre
回答by Nishant Bhakta
To completely remove jdk from your system, follow these below steps:
要从系统中完全删除 jdk,请按照以下步骤操作:
- Type
sudo apt-get autoremove default-jdk openjdk-
(Don't hitEnter
right now). - Now press
tab
button for 2 or 3 times, you will get list of packages starting withopenjdk-
. - Look for name like
openjdk-11-jdk
. You need to get java version, here is 11. - Now complete your command to
sudo apt-get autoremove default-jdk openjdk-11-jdk
. (Change 11 to your java version) - And Hit
Enter
button.
- 输入
sudo apt-get autoremove default-jdk openjdk-
(现在不要打Enter
)。 - 现在按下
tab
按钮 2 或 3 次,您将获得以openjdk-
. - 寻找像
openjdk-11-jdk
. 你需要得到java版本,这里是11。 - 现在完成你的命令到
sudo apt-get autoremove default-jdk openjdk-11-jdk
. (把11改成你的java版本) - 并点击
Enter
按钮。
Now you have done removing java from your system.
现在您已完成从系统中删除 java。
回答by Achint Srivastava
You can remove Java 12 using this command--
您可以使用此命令删除 Java 12--
sudo apt-get remove oracle-java12-installer
you can change the version by changing the 12 to the version present on your computer
您可以通过将 12 更改为计算机上存在的版本来更改版本
then recheck by finding version -
然后通过查找版本重新检查 -
java -version