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
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
gat environment variables java
String environmentVariable = System.getEnv("environment_variable_name");
//You can create environment variables on your computer manually
//and then you must put the environment variable in the parantheses as a String
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