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<%@ page import="java.util.ArrayList" %>
<%--
Created by IntelliJ IDEA.
User: yubraj
Date: 11/20/16
Time: 4:27 PM
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Number Guess System</title>
<style>
.error{ color: red; }
.success { color: greenyellow; }
</style>
</head>
<body>
<h1>Hello world</h1>
<%
for(int i = 1; i<=10; i++){ %>
<h5><%= +i%></h5>
<% } %>
<h1>Number Guess System</h1>
<p>Guess Number within 1 and 10</p>
<%
final HttpSession Sess = request.getSession();
final boolean JustStarted = Sess.isNew();
final Integer randomNumber;
if(JustStarted){
randomNumber = new Integer(new java.util.Random().nextInt(10));
System.out.println("Random Number : " + randomNumber);
Sess.setAttribute("number", randomNumber);
} else {
randomNumber = (Integer) Sess.getAttribute("number");
}
%>
<%
String inputText = request.getParameter("number");
String errorMsg = null;
boolean success = false;
if(!JustStarted) {
if (inputText != null && inputText.length() > 0) {
int myNumber = Integer.parseInt(inputText);
if (randomNumber != myNumber) {
if (myNumber > randomNumber)
errorMsg = "Number too large!";
else
errorMsg = "Number too Low!";
} else {
errorMsg = "Congrats! you win";
success = true;
}
}
}
%>
<div>
<% if(errorMsg != null){ %>
<p class="<% if(success){ %>
success
<% }else{ %>
error
<% } %>
">
<%= errorMsg %>
</p>
<% } %>
<form method="post">
<label for="number">Enter the Number : </label> <input type="tex" name="number" id="number" maxlength="3">
<input type="submit" value="Submit">
</form>
</div>
</body>
</html>
Needed to compose you a very little word to thank you yet again regarding the nice suggestions you’ve contributed here.
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Thank you for sharing such a great article. It is much helpful to understand the concept of JSP.
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