<%-- Created by IntelliJ IDEA. User: Administrator Date: 2022/9/16 Time: 10:39 To change this template use File | Settings | File Templates. --%> <%@ page contentType="text/html;charset=UTF-8" language="java" %> <% double num1 = (double) request.getAttribute("num1"); double num2 = (double) request.getAttribute("num2"); double sum = (double) request.getAttribute("sum"); %> <%=num1%> + <%=num2%> = <%=sum%>
<% String num3 = request.getParameter("num1"); String num4 = request.getParameter("num2"); double sum1 = Double.parseDouble(num3) + Double.parseDouble(num4); %> <%=num3%> + <%=num4%> = <%=sum1%>