public String getEntryArg(int argNum) {
    try {
      String arg = (String) args.get(argNum);
      return arg;
    } catch (ArrayIndexOutOfBoundsException e) {
      return null;
    }
  }
public String getEntryArg(int argNum) {
    try {
      String arg = (String) args.get(argNum);
      return arg;
    } catch (ArrayIndexOutOfBoundsException e) {
      return null;
    }
  }
public String getEntryArg ( int argNum ) { try { String arg = ( String ) args . get ( argNum ) ; return arg ; } catch ( ArrayIndexOutOfBoundsException e ) { return null ; } }
Get an entry argument.

@param argNum The argument number (arguments are numbered from 0).
@return The specified argument or null if an invalid argNum is
provided.
Get an entry argument .