Print value for a given environment variable

JavaEnvironmentVariables.java

import java.util.Map;
import java.util.Properties;

/**
 * Created by moksha on 07/02/16.
 */
public class JavaEnvironmentVariables {

    public static void main(String args[]){


        Map<String, String> enviorntmentVars  = System.getenv();
        String value  = enviorntmentVars.get("TMPDIR");
        System.out.println(String.format("Value for %s Key is %s","TMPDIR",value));

    }

}