Diploma Computer/IT

Advanced Java Programming Practical 23

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Advanced Java Programming Practical 23 Question 1 Develop servlet program to display various details about session using HttpSession methods. SessionDemo.java Java import java.io.*; import java.util.*; import javax.servlet.*; import javax.servlet.http.*; public class SessionDemo extends HttpServlet { public void doGet(HttpServletRequest request,HttpServletResponse response)throws ServletException,IOException { response.setContentType("text/html"); PrintWriter out = response.getWriter(); out.println("<html>"); out.println("<head>"); out.println("<title>Session Details</title>"); out.println("</head>"); out.println("<body>"); out.println("<h1>Session Details</h1>"); […]

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Advanced Java Programming Practical 22

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Advanced Java Programming Practical 22 Question 1 Develop servlet program to retrieve data from List and Radio Button using HTML Forms. EmployeeData.java Java import java.io.*; import javax.servlet.*; import javax.servlet.http.*; public class EmployeeData extends HttpServlet { public void service(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { response.setContentType("text/html"); PrintWriter out = response.getWriter(); String name = request.getParameter("ename"); String

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Advanced Java Programming Practical 21

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Advanced Java Programming Practical 21 Question 1 Develop servlet program to print Hello MSBTE in browser window. HelloDemo.java Java import java.io.*; import javax.servlet.*; import javax.servlet.http.*; public class HelloDemo extends GenericServlet { public void service(ServletRequest request, ServletResponse response) throws IOException, ServletException { response.setContentType("text/html"); PrintWriter out = response.getWriter(); out.println("<html>"); out.println("<head>"); out.println("<title>Hello MSBTE example</title>"); out.println("</head>"); out.println("<body>"); out.println("<h1>Hello MSBTE</h1>");

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Advanced Java Programming Practical 20

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Advanced Java Programming Practical 20 Question 1 Develop a program to update name of a student from Jack to John. UpdateStudent.java Java import java.sql.*; public class UpdateStudent { public static void main(String args[]) { try { Class.forName("com.mysql.jdbc.Driver"); System.out.println("Driver loaded"); Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/javadb1", "root", ""); System.out.println("Connection to the database created"); Statement stmt = con.createStatement(); String

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Advanced Java Programming Practical 19

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Advanced Java Programming Practical 19 Question 1 Develop JDBC program to retrieve data using ResultSet ResultDemo.java Java import java.sql.*; public class ResultDemo { public static void main(String args[]) { try { Class.forName("com.mysql.jdbc.Driver"); System.out.println("Driver loaded"); Connection con= DriverManager.getConnection("jdbc:mysql://localhost:3306/javadb1","root",""); System.out.println("Connection to the database created"); Statement st = con.createStatement(); String query = "select * from employee"; ResultSet rs=st.executeQuery(query);

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Advanced Java Programming Practical 18

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Advanced Java Programming Practical 18 Question 1 Develop a program to create employee table in database having two columns “emp_id” and “emp_name”. DBDemo.java Java import java.sql.*; class DBDemo { public static void main(String args[]) { try { Class.forName("com.mysql.jdbc.Driver"); System.out.println("Driver loaded"); Connection con=DriverManager.getConnection("jdbc:mysql://localhost:3306/javadb1","root",""); System.out.println("Connection to the database created"); Statement st = con.createStatement(); String query = "create

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Advanced Java Programming Practical 17

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Advanced Java Programming Practical 17 Question 1 Write a program using DatagramPacket and DatagramSocket to create chat application Clientdatagram.java Java import java.io.*; import java.net.*; class Clientdatagram { public static void main(String x[]) throws Exception { InetAddress receiver = InetAddress.getByName("localhost"); int port = 9999; DatagramSocket mysocket = new DatagramSocket(); DataInputStream din = new DataInputStream(System.in); while (true)

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Advanced Java Programming Practical 16

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Advanced Java Programming Practical 16 Question 1 Write a program using Socket and ServerSocket to create Chat Application ChatClient.java Java import java.io.*; import java.net.*; public class ChatClient { public static void main(String[] args) throws IOException { Socket s = new Socket("localhost",9999); System.out.println("Client Started, waiting for server response.."); DataInputStream din = new DataInputStream(System.in); OutputStream os =

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Advanced Java Programming Practical 15

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Advanced Java Programming Practical 15 Question 1 Write a program using URL class to retrieve the host, protocol, port and file of URL http://www.msbte.org.in URLDemo.java Java import java.net.*; class URLDemo { public static void main(String args[])throws MalformedURLException { URL netAddress=new URL("http://www.msbte.org.in"); System.out.println("Protocol:"+netAddress.getProtocol()); System.out.println("Port:"+netAddress.getPort()); System.out.println("Host:"+netAddress.getHost()); System.out.println("File:"+netAddress.getFile()); } } import java.net.*; class URLDemo { public static void

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Advanced Java Programming Practical 14

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Advanced Java Programming Practical 14 Question 1 Develop a program using InetAddress class to retrieve IP address of computer when hostname is entered by the user. InetDemo.java Java import java.io.*; import java.net.*; public class InetDemo { public static void main(String args[])throws IOException { String hostname; DataInputStream din=new DataInputStream(System.in); System.out.println("Enter Host Name: "); hostname= din.readLine(); InetAddress

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