Java/jsp.txt at master · Antarikshruler/Java · GitHub

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USER
<!DOCTYPE html>
<html>
<head>
<meta charset="ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<form action="first.jsp">
<input type="text" name="user">
<input type="text" name="password">
<input type="submit" value="submit">
</form>
</body>
</html>

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<%! String user;
String password;
%>
<% user=request.getParameter("user");
password=request.getParameter("password");
if(user==null || password==null){%>
Invalid Parameter
<%} if(password.equals("correct")){ %>
 Welcome <%=user %>
<%}else{ %>
Invalid password
<% }%>
</body>
</html>

PALIN
<!DOCTYPE html>
<html>
<head>
<meta charset="ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<form action="palinjsp.jsp">
<input type="text" name="palin">
<input type="submit" value="submit">
</form>
</body>
</html>

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<%! String palin;
String reverse="";%>
<% palin=request.getParameter("palin");
reverse=new StringBuilder(palin).reverse().toString();
if(palin.equals(reverse))
	out.println("Palindrome");
else
	out.println("Not Palindrome");
%>
</body>
</html>