private void loadEnvironment(){
  Map<String,String> env=System.getenv();
  for (  String envName : env.keySet()) {
    setParameter(envName,env.get(envName));
  }
}

private void loadEnvironment ( ) { Map < String , String > env = System . getenv ( ) ; for ( String envName : env . keySet ( ) ) { setParameter ( envName , env . get ( envName ) ) ; } }
load parameters from environment variables
