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sudo apt-get purge openjdk-\*
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danny@DannyHome:~/Downloads$ ls
jdk-8u131-linux-x64.tar.gz
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sudo mv jdk1.8.0_131/ /usr/lib/jvm/
sudo chown -R root:root /usr/lib/jvm/jdk1.8.0_131
danny@DannyHome:/usr/lib/jvm$ ls -all
total 28
drwxr-xr-x 3 root root 4096 Jun 22 21:12 .
drwxr-xr-x 167 root root 20480 Jun 17 20:13 ..
drwxr-xr-x 8 root root 4096 Mar 15 21:35 jdk1.8.0_131
danny@DannyHome:/usr/lib/jvm$
JAVA_HOME=/usr/lib/jvm/jdk1.8.0_131
PATH=$PATH:$HOME/bin:$JAVA_HOME/bin
export JAVA_HOME
export PATH
however, when I try to run java -version, I got?
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danny@DannyHome:/usr/lib/jvm$ java -version
bash: java: command not found
danny@DannyHome:/usr/lib/jvm$