ubuntu安装jdk

添加ppa

sudo add-apt-repository ppa:webupd8team/javasudo apt-get update安装oracle-java-installer

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设置系统默认jdk

sudo apt-get install oracle-java8-installer

sudo update-java-alternatives -s java-8-oracle

java -version

javac -version

参考资料

ubuntu安装jdk的两种方式

https://blog.csdn.net/williamyi96/article/details/78268595