public void setOptDLower(boolean optDLower) {
    checkCanSetDeleteOption("-d");
    if (optDLower && optDUpper) {
      throw new IllegalArgumentException(ExceptionMessageMap.getMessage("000120")
          + "  -d cannot be used with -D.");
    } 
    this.optDLower = optDLower;
  }
public void setOptDLower(boolean optDLower) {
    checkCanSetDeleteOption("-d");
    if (optDLower && optDUpper) {
      throw new IllegalArgumentException(ExceptionMessageMap.getMessage("000120")
          + "  -d cannot be used with -D.");
    } 
    this.optDLower = optDLower;
  }
public void setOptDLower ( boolean optDLower ) { checkCanSetDeleteOption ( "-d" ) ; if ( optDLower && optDUpper ) { throw new IllegalArgumentException ( ExceptionMessageMap . getMessage ( "000120" ) + "  -d cannot be used with -D." ) ; } this . optDLower = optDLower ; }
Checks whether the -d option should be set and sets it.

@param optDLower True if the -d option should be used, false otherwise.
Checks whether the - d option should be set and sets it .