Use this procedure to set the Java, Maven, and MySQL system environment variables.

1. Open the Start menu, right-click Computer and select Properties.
2. Click Advanced System Settings.

   

3. In the System Properties > Advanced window, click Environment Variables.

   

4. To add a new system environment variable, on the Environment Variables window, click New.
5. Add the following:

   Variable Name	Variable Value
   JAVA_HOME	C:\Program Files\Java\jdk1.8.0_144
   JAVA_OPTS	-Xmx1024m -Dsun.lang.ClassLoader.allowArraySyntax=true
   MAVEN_HOME	C:\apache-maven-3.5.2
   MAVEN_OPTS	-Xmx2048m -XX:ReservedCodeCacheSize=128m -Dsun.lang.ClassLoader.allowArraySyntax=true
   MYSQL_HOME	C:\MySQL\MySQL Server 5.7

   Note:

   The values for JAVA_HOME, MAVEN_HOME, and MYSQL_HOME variables depend on the location where Java, Maven, and MySQL are installed. This location might differ from the default values provided.

6. Select the Path system variable, and click Edit.
7. Add the following variables at the end of the Path variable:

   ;%JAVA_HOME%\bin;%MAVEN_HOME%\bin;%MYSQL_HOME%\bin;
   Copy

# .bash_profile
# Get the aliases and functions
if [ -f ~/.bashrc ]; then
        . ~/.bashrc
fi
# User specific environment and startup programs
PATH=$PATH:$HOME/bin
export PATH
JAVA_HOME=/home/USERNAME/tools/jdk1.8.0_144
export JAVA_HOME
JAVA_OPTS='-Xmx1024m -Dsun.lang.ClassLoader.allowArraySyntax=true'
export JAVA_OPTS
MAVEN_HOME=/home/USERNAME/tools/apache-maven-3.5.2
export MAVEN_HOME
MAVEN_OPTS='-Xmx2048m -XX:ReservedCodeCacheSize=128m -Dsun.lang.ClassLoader.allowArraySyntax=true'
export MAVEN_OPTS
PATH=$PATH:$JAVA_HOME/bin:$MAVEN_HOME/bin
export PATH
Copy
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