change

public class RqDto {
	public String koban;
	public String komei;
	public String queryId;
	public String verNo;
	public String getFmtVerNo() {
		if("".equals(this.verNo)){
			return this.verNo;
		}
		return NumberFormat.getNumberInstance().format(Double.parseDouble(this.verNo));
	}
}
	@Execute(validator = false)
	public String sagyoinList() throws IOException {
		String kaisha = req.getParameter("kaisha");

		List<Sagyoin> list = new ArrayList<Sagyoin>();
		list.add(new Sagyoin(1, kaisha + "111", "C"));
		list.add(new Sagyoin(2, kaisha + "222", "B"));
		list.add(new Sagyoin(3, kaisha + "333", "A"));
		list.add(new Sagyoin(4, kaisha + "444", "B"));
		list.add(new Sagyoin(5, kaisha + "555", "C"));

		HttpServletResponse httpServletResponse = ResponseUtil.getResponse();
		httpServletResponse.setContentType("application/json");
		PrintWriter pw = new PrintWriter(httpServletResponse.getOutputStream());

		pw.println(JSON.encode(list));
		pw.flush();
		pw.close();
		return null;
	}

	@Execute(validator = false)
	public String hyokaList() throws IOException {
		String kaisha = req.getParameter("kaisha");
		String sagyoin = req.getParameter("sagyoin");


		HttpServletResponse httpServletResponse = ResponseUtil.getResponse();
		httpServletResponse.setContentType("application/json");
		PrintWriter pw = new PrintWriter(httpServletResponse.getOutputStream());

		String hyoka = "";
		if("1".equals(sagyoin)){

		}
		pw.println(JSON.encode(sagyoin));
		pw.flush();
		pw.close();
		return null;
	}