setting java home code example

Example 1: set java home path

export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64

# Add JAVA bin directory to the PATH variable
export PATH=$PATH:$JAVA_HOME/bin

Example 2: find where JAVA_HOME is set

grep JAVA_HOME /etc/environment /etc/bash.bashrc /etc/profile.d/* /etc/profile

Example 3: setting java home

1.  Add a JAVA_HOME variable equal to something like:  C:\Java\JDK1.7.0_25_x64
2.  Add %JAVA_HOME%\bin to the beginning of your PATH variable.

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