Java 2 old Papers Solution 2018 || BIM STUDY NOTES

year 2018

Create a HTML document that contains header information of a page and include this HTML as a header file in header.html

<!DOCTYPE html>
<html>
<head>
<meta charset="ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<center>
<h1>Orchid International College</h1>
<h3>Gaushala, Kathmandu</h3>
</center>
</body>
</html>

<!DOCTYPE html>

<html>

<head>

<title>Insert title here</title>

</head>

<body>

<h1>Orchid International College</h1>

<h3>Gaushala, Kathmandu</h3>

</center>

</body>

</html>

include.jsp
<html>
<body>
<%@include file = “header.html” %>
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.

</p></body>
</html>

3. Create a servlet to find out factorial of a positive integer value.

import javax.servlet.http.*;
import java.io.*;
public class Ques3_2018 extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response) { response.setContentType("text/html");
int num = Integer.parseInt(request.getParameter("number"));
 int fact = 1;
while(num > 0) {
     for(int i = 1; i <= num; i++) {
      fact = fact * i;
   }
 }
try {
PrintWriter pw = response.getWriter();
pw.println("<html><body>");
pw.println("<h1>Factorial of "+num+ " is "+fact+"</h1>");
pw.println("</html></body>");
}catch(Exception ex) {
  System.out.println(ex);
  }
  }
}
<!DOCTYPE html>
<html>
<head>
<meta charset="ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<form action = "ques2_2018" method = "get">
    <label>Enter a Number:</label>
 <input type = "text" name = "number"/>
  <input type = "submit" value = "Submit"/>
</form>
</body>
</html>

import javax.servlet.http.*;

import java.io.*;

public class Ques3_2018 extends HttpServlet {

public void doGet(HttpServletRequest request, HttpServletResponse response) { response.setContentType("text/html");

int num = Integer.parseInt(request.getParameter("number"));

int fact = 1;

while(num > 0) {

for(int i = 1; i <= num; i++) {

fact = fact * i;

}

try {

PrintWriter pw = response.getWriter();

pw.println("<html><body>");

pw.println("<h1>Factorial of "+num+ " is "+fact+"</h1>");

pw.println("</html></body>");

}catch(Exception ex) {

System.out.println(ex);

}

<!DOCTYPE html>

<html>

<head>

<title>Insert title here</title>

</head>

<body>

<label>Enter a Number:</label>

</form>

</body>

</html>

Q.no 4 Write a program to insert 5 records into the table “Book” that contains (id, title, author, price) inside the database “Library”.

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import java.sql.*;
public class T2018_4 {
private static Connection con;
private static Statement s;
public static void main(String[] args) throws Exception{
insertRecords();
}
public static void insertRecords() throws Exception{
Class.forName("com.mysql.jdbc.Driver");
String url="jdbc:mysql://localhost:3306/Library";
con=DriverManager.getConnection(url,"root","");
if(con!=null){
s=con.createStatement();
String sql="INSERT INTO book (id,title,author.price) VALUES "
+ "(25,'AbcBook','AbcAuthor',2500),"
+ "(47,'MnoBook','MnoAuthor',800),"
+ "(33,'PqrBook','PqrAuthor',625),"
+ "(49,'XyzBook','XyzAuthor',1200),"
+ "(11,'StuBook','StuAuthor',1200) ";
int res=s.executeUpdate(sql);
if(res!=-1){
System.out.println("Successfully inserted in table BOOK");
}
else{
System.out.println("Could not insert into table");
}
}
else{
System.out.println("Error in connectiong to database!");
    }
 }
}

import java.sql.*;

public class T2018_4 {

private static Connection con;

private static Statement s;

public static void main(String[] args) throws Exception{

insertRecords();

}

public static void insertRecords() throws Exception{

Class.forName("com.mysql.jdbc.Driver");

String url="jdbc:mysql://localhost:3306/Library";

con=DriverManager.getConnection(url,"root","");

if(con!=null){

s=con.createStatement();

String sql="INSERT INTO book (id,title,author.price) VALUES "

+ "(25,'AbcBook','AbcAuthor',2500),"

+ "(47,'MnoBook','MnoAuthor',800),"

+ "(33,'PqrBook','PqrAuthor',625),"

+ "(49,'XyzBook','XyzAuthor',1200),"

+ "(11,'StuBook','StuAuthor',1200) ";

int res=s.executeUpdate(sql);

if(res!=-1){

System.out.println("Successfully inserted in table BOOK");

}

else{

System.out.println("Could not insert into table");

}

else{

System.out.println("Error in connectiong to database!");

}

5.Create an applet that reads the parameter supplied from the <param> tag and display the parameter value. Also create a suitable HTML file.

import java.applet.*;
import java.awt.*;
import java.applet.*;
/*
&lt;applet code="T2018_5.class" height="300" width="500"&gt;
&lt;param name="name" value="Laxmi" /&gt;
&lt;param name="age" value="20" /&gt;
&lt;/applet&gt;
*/
public class T2018_5 extends Applet
{
String n;
String a;
public void init(){
n=getParameter("name");
a=getParameter("age");
}
public void paint(Graphics g){
g.drawString("Name is: " + n, 20, 20);
g.drawString("Age is: " + a, 20, 40);
}
}

import java.applet.*;

import java.awt.*;

import java.applet.*;

</applet>

public class T2018_5 extends Applet

{

String n;

String a;

public void init(){

n=getParameter("name");

a=getParameter("age");

}

public void paint(Graphics g){

g.drawString("Name is: " + n, 20, 20);

g.drawString("Age is: " + a, 20, 40);

}

Q.no 6 Create a swing GUI that contains a text field and two buttons (ok and clear). When ok button is clicked, “welcome” should be displayed in the text field and clear button should clear the text field content.

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import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class Ques6_2018 implements ActionListener {
JFrame f1;
JTextField t1;
JButton b1, b2;
Ques6_2018() {
f1 = new JFrame(); f1.setSize(300, 300);
f1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f1.setLayout(new FlowLayout());
t1 = new JTextField(10);
b1 = new JButton("Ok");
b2 = new JButton("Clear");f1.add(t1); f1.add(b1);
f1.add(b2);b1.addActionListener(this);
b2.addActionListener(this); f1.setVisible(true);
if(e.getSource() == b1) {
t1.setText("Welcome");}
else if(e.getSource() == b2)
 {
t1.setText(""); } }}

import javax.swing.*;

import java.awt.*;

import java.awt.event.*;

public class Ques6_2018 implements ActionListener {

JFrame f1;

JTextField t1;

JButton b1, b2;

Ques6_2018() {

f1 = new JFrame(); f1.setSize(300, 300);

f1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

f1.setLayout(new FlowLayout());

t1 = new JTextField(10);

b1 = new JButton("Ok");

b2 = new JButton("Clear");f1.add(t1); f1.add(b1);

f1.add(b2);b1.addActionListener(this);

b2.addActionListener(this); f1.setVisible(true);

if(e.getSource() == b1) {

t1.setText("Welcome");}

else if(e.getSource() == b2)

{

t1.setText(""); } }}

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Java 2 old Papers Solution 2018 || BIM STUDY NOTES

year 2018

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