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JSP Coding Questions


  • Create a JSP page that displays "Hello, World!" in an <h1> heading.
jsp
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<!DOCTYPE html>
<html>
<head>
	<title>Hello, World!</title>
</head>
<body>
	<h1>Hello, World!</h1>
</body>
</html>
  • Create a JSP page that prompts the user for their name and displays a greeting.
jsp
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<!DOCTYPE html>
<html>
<head>
	<title>Greeting</title>
</head>
<body>
	<form action="greeting.jsp" method="post">
		<label for="name">Name:</label>
		<input type="text" id="name" name="name" required>
		<input type="submit" value="Submit">
	</form>
	
	<%
		String name = request.getParameter("name");
		if (name != null) {
			out.println("<p>Hello, " + name + "!</p>");
		}
	%>
</body>
</html>
  • Create a JSP page that displays the current date and time.
jsp
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<!DOCTYPE html>
<html>
<head>
	<title>Current Date and Time</title>
</head>
<body>
	<p>The current date and time is: <%= new java.util.Date() %></p>
</body>
</html>
  • Create a JSP page that displays a random number between 1 and 10.
jsp
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<!DOCTYPE html>
<html>
<head>
	<title>Random Number</title>
</head>
<body>
	<p>Your random number is: <%= (int) (Math.random() * 10) + 1 %></p>
</body>
</html>
  • Create a JSP page that displays a table of the multiplication table for a number entered by the user.
jsp
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<!DOCTYPE html>
<html>
<head>
	<title>Multiplication Table</title>
</head>
<body>
	<form action="multiplication.jsp" method="post">
		<label for="number">Number:</label>
		<input type="number" id="number" name="number" required>
		<input type="submit" value="Submit">
	</form>
	
	<%
		int number = Integer.parseInt(request.getParameter("number"));
	%>
	
	<table>
		<% for (int i = 1; i <= 10; i++) { %>
		<tr>
			<td><%= i %></td>
			<td>x</td>
			<td><%= number %></td>
			<td>=</td>
			<td><%= i * number %></td>
		</tr>
		<% } %>
	</table>
</body>
</html>
  • Create a JSP page that displays a list of links to other JSP pages.
jsp
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<!DOCTYPE html>
<html>
<head>
	<title>Links</title>
</head>
<body>
	<ul>
		<li><a href="page1.jsp">Page 1</a></li>
		<li><a href="page2.jsp">Page 2</a></li>
		<li><a href="page3.jsp">Page 3</a></li>
	</ul>
</body>
</html>
  • Create a JSP page that displays a random quote.
jsp
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<!DOCTYPE html>
<html>
<head>
	<title>Random Quote</title>
</head>
<body>
	<p>"<%= getRandomQuote() %>"</p>
</body>
</html>

<%
	String[] quotes = { "Be the change you wish to see in the world.", "The only way to do great work is to love what you do.", "Believe you can and you're halfway there." };
	
	String getRandomQuote() {
		return quotes[(int) (Math.random() * quotes.length)];
	}
%>
  • Create a JSP page that displays a list of links to images.
jsp
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<!DOCTYPE html>
<html>
<head>
	<title>Images</title>
</head>
<body>
	<ul>
		<li><a href="image1.jsp">Image 1</a></li>
		<li><a href="image2.jsp">Image 2</a></li>
		<li><a href="image3.jsp">Image 3</a></li>
	</ul>
</body>
</html>
  • Create a JSP page that displays a random image from a list of images.
jsp
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<!DOCTYPE html>
<html>
<head>
	<title>Random Image</title>
</head>
<body>
	<img src="<%= getRandomImage() %>" alt="Random Image">
</body>
</html>

<%
	String[] images = { "image1.jpg", "image2.jpg", "image3.jpg" };
	
	String getRandomImage() {
		return images[(int) (Math.random() * images.length)];
	}
%>
  • Create a JSP page that displays a form for adding a new user to a database.
jsp
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<!DOCTYPE html>
<html>
<head>
	<title>Add User</title>
</head>
<body>
	<form action="addUser.jsp" method="post">
		<label for="username">Username:</label>
		<input type="text" id="username" name="username" required>
		<br>
		<label for="password">Password:</label>
		<input type="password" id="password" name="password" required>
		<br>
		<input type="submit" value="Add User">
	</form>
	
	<%
		String username = request.getParameter("username");
		String password = request.getParameter("password");
		
		if (username != null && password != null) {
			// Code to add user to database
		}
	%>
</body>
</html>
  • Create a JSP page that displays a list of users from a database.
jsp
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<!DOCTYPE html>
<html>
<head>
	<title>Users</title>
</head>
<body>
	<table>
		<tr>
			<th>Username</th>
			<th>Password</th>
		</tr>
		
		<%
			// Code to get list of users from database
			
			while (resultSet.next()) {
				String username = resultSet.getString("username");
				String password = resultSet.getString("password");
				%>
				<tr>
					<td><%= username %></td>
					<td><%= password %></td>
				</tr>
				<%
			}
		%>
	</table>
</body>
</html>
  • Create a JSP page that displays a form for searching a database for a specific item.
jsp
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<!DOCTYPE html>
<html>
<head>
	<title>Search</title>
</head>
<body>
	<form action="search.jsp" method="get">
		<label for="query">Search:</label>
		<input type="text" id="query" name="query" required>
		<input type="submit" value="Search">
	</form>
	
	<%
		String query = request.getParameter("query");
		
		if (query != null) {
			// Code to search database for item
		}
	%>
</body>
</html>
  • Create a JSP page that displays a form for uploading a file to the server.
jsp
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<!DOCTYPE html>
<html>
<head>
	<title>Upload File</title>
</head>
<body>
	<form action="upload.jsp" method="post" enctype="multipart/form-data">
		<label for="file">Select file to upload:</label>
		<input type="file" id="file" name="file" required>
		<input type="submit" value="Upload">
	</form>
	
	<%
		if (request.getMethod().equalsIgnoreCase("post")) {
			String fileName = request.getPart("file").getSubmittedFileName();
			// Code to save file to server
		}
	%>
</body>
</html>
  • Create a JSP page that displays a form for sending an email.
jsp
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<!DOCTYPE html>
<html>
<head>
	<title>Send Email</title>
</head>
<body>
	<form action="sendEmail.jsp" method="post">
		<label for="to">To:</label>
		<input type="email" id="to" name="to" required>
		<br>
		<label for="subject">Subject:</label>
		<input type="text" id="subject" name="subject" required>
		<br>
		<label for="message">Message:</label>
		<textarea id="message" name="message" required></textarea>
		<br>
		<input type="submit" value="Send">
	</form>
	
	<%
		String to = request.getParameter("to");
		String subject = request.getParameter("subject");
		String message = request.getParameter("message");
		
		if (to != null && subject != null && message != null) {
			// Code to send email
		}
	%>
</body>
</html>
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