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rurumimic/JAVA_HOME.md

Created April 9, 2018 03:01
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Fucking JAVA
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JAVA_HOME.md 
$ echo $JAVA_HOME
$ javac -version

javac 1.8.0_161

$ which javac

/usr/bin/javac

$ readlink -f /usr/bin/javac

/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.161-0.b14.el7_4.x86_64/bin/javac

$ sudo vi /etc/profile

export JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.161-0.b14.el7_4.x86_64

Logout and Login

$ echo $JAVA_HOME

/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.161-0.b14.el7_4.x86_64

$ $JAVA_HOME/bin/javac -version

javac 1.8.0_161
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