openjdk8的安装
16lz
2021-01-26
sudo add-apt-repository ppa:openjdk/ppa
sudo add-apt-repository ppa:openjdk-r/ppa
sudo apt-get update
sudo apt-get install openjdk-8-jdk
sudo apt-get install openjdk-8-jre openjdk-8-jdk-headlesss
sudo update-alternatives –config java
sudo update-alternatives –config javac
@ubuntu:~/openjdk$ sudo update-alternatives --config javac
There are 3 choices for the alternative javac (providing /usr/bin/javac).
Selection Path Priority Status
------------------------------------------------------------
* 0 /usr/lib/jvm/java-8-openjdk-amd64/bin/javac 1069 auto mode
1 /usr/lib/jvm/java-7-openjdk-amd64/bin/javac 1051 manual mode
2 /usr/lib/jvm/java-7-oracle/bin/javac 1 manual mode
3 /usr/lib/jvm/java-8-openjdk-amd64/bin/javac 1069 manual mode
Press enter to keep the current choice[*], or type selection number:
@ubuntu:~/openjdk$ sudo update-alternatives --config java
There are 3 choices for the alternative java (providing /usr/bin/java).
Selection Path Priority Status
------------------------------------------------------------
* 0 /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java 1069 auto mode
1 /usr/lib/jvm/java-7-openjdk-amd64/jre/bin/java 1051 manual mode
2 /usr/lib/jvm/java-7-oracle/jre/bin/java 1 manual mode
3 /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java 1069 manual mode
Press enter to keep the current choice[*], or type selection number:
@ubuntu:~/openjdk$
sudo add-apt-repository ppa:openjdk-r/ppa
sudo apt-get update
sudo apt-get install openjdk-8-jdk
sudo apt-get install openjdk-8-jre openjdk-8-jdk-headlesss
sudo update-alternatives –config java
sudo update-alternatives –config javac
@ubuntu:~/openjdk$ sudo update-alternatives --config javac
There are 3 choices for the alternative javac (providing /usr/bin/javac).
Selection Path Priority Status
------------------------------------------------------------
* 0 /usr/lib/jvm/java-8-openjdk-amd64/bin/javac 1069 auto mode
1 /usr/lib/jvm/java-7-openjdk-amd64/bin/javac 1051 manual mode
2 /usr/lib/jvm/java-7-oracle/bin/javac 1 manual mode
3 /usr/lib/jvm/java-8-openjdk-amd64/bin/javac 1069 manual mode
Press enter to keep the current choice[*], or type selection number:
@ubuntu:~/openjdk$ sudo update-alternatives --config java
There are 3 choices for the alternative java (providing /usr/bin/java).
Selection Path Priority Status
------------------------------------------------------------
* 0 /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java 1069 auto mode
1 /usr/lib/jvm/java-7-openjdk-amd64/jre/bin/java 1051 manual mode
2 /usr/lib/jvm/java-7-oracle/jre/bin/java 1 manual mode
3 /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java 1069 manual mode
Press enter to keep the current choice[*], or type selection number:
@ubuntu:~/openjdk$
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