public static boolean parameterListContainsParameterName(List<IParameter> parameterList,String parameterName){
  boolean result=false;
  for (  IParameter p : parameterList) {
    if (parameterName.equals(p.getName())) {
      result=true;
      break;
    }
  }
  return result;
}

public static boolean parameterListContainsParameterName ( List < IParameter > parameterList , String parameterName ) { boolean result = false ; for ( IParameter p : parameterList ) { if ( parameterName . equals ( p . getName ( ) ) ) { result = true ; break ; } } return result ; }
search for the first appearance of a parameter in the list .
