Discuss the significances of JDBC.

The significances are given below:

• JDBC is the acronym stands for Java Database Connectivity.

• Java Database Connectivity (JDBC) is a standard Java API .

• It's purpose is to interact with the relational databases in Java. 

• JDBC is having a set of classes & interfaces which can be used from any Java application. 

• By using the Database Specific JDBC drivers, it interacts with a database without the applications of RDBMS.

How to send data one jsp page to another jsp page

Index.jsp

<%--

    Document   : index

    Created on : 21 Aug, 2012, 11:53:21 PM

    Author     : Himanshu

--%>

<%@page contentType="text/html" pageEncoding="UTF-8"%>

<!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=UTF-8">

        <title>JSP Page</title>

    </head>

    <body>

           <form action="sucess.jsp" method="get">

              Name :  <input type="text" name="name"><br>

            Age :  <input type="text" name="age"><br>

             Dob :   <input type="text" name="dob"><br>

                <input type="submit">

            </form>

        </table>

    </body>

</html>

sucess.jsp

<%--

    Document   : sucess

    Created on : 22 Aug, 2012, 12:35:55 AM

    Author     : Himanshu

--%>

<%@page contentType="text/html" pageEncoding="UTF-8"%>

<!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=UTF-8">

        <title>JSP Page</title>

    </head>

    <body>

        <% String name=request.getParameter("name");%>

        <h1>Name : <%=name%></h1>

         <% String age=request.getParameter("age");%>

        <h1>Name : <%=age%></h1>

         <% String dob=request.getParameter("dob");%>

        <h1>Name : <%=dob%></h1>

    </body>

</html>

for loop in jsp

<%--

    Document   : index

    Created on : 21 Aug, 2012, 11:53:21 PM

    Author     : himanshu

--%>

<%@page contentType="text/html" pageEncoding="UTF-8"%>

<!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=UTF-8">

        <title>JSP Page</title>

    </head>

    <body>

        <%for(int i=0;i<10;i++){%>

        <h4><%=i+"->"%>Hello World!</h4>

        <%}%>

       

    </body>

</html>

Prime Numbers java program

Prime Numbers

Output

prime numbers are:

2

3

5

7

11

 Source code

Prime.java

package com.swain.cell;

public class Prime {

      

        public static void main(String args[])

          {

             int n, status = 1, num = 3;

               n=5;

             if ( n >= 1 )

             {

                System.out.println("prime numbers are: ");

                System.out.println(2);

             }

        

             for ( int count = 2 ; count <=n ;  )

             {

                for ( int j = 2 ; j <= Math.sqrt(num) ; j++ )

                {

                   if ( num%j == 0 )

                   {

                      status = 0;

                      break;

                   }

                }

                if ( status != 0 )

                {

                   System.out.println(num);

                   count++;

                }

                status = 1;

                num++;

             }        

          }

}

Factorial java program

Factorial

Output

Factorial of 5 is = 120

Source code

Factorial.java

package com.swain.cell;

public class Factorial {

      

       public static void main(String args[])

          {

             int n, c, fact = 1;

        

             n=5;

             if ( n < 0 )

                System.out.println("Number should be non-negative.");

             else

             {

                for ( c = 1 ; c <= n ; c++ )

                   fact = fact*c;

        

                System.out.println("Factorial of "+n+" is = "+fact);

             }

          }

}

String Palindrome java program

Output

Himanshu is not a palindrome.

Source code

StringPalindrome.java

package com.swain.cell;

public class StringPalindrome {

       public static void main(String args[])

          {

             String original="Himanshu";

             String rev="";

                      

             int length = original.length();

        

             for ( int i = length - 1 ; i >= 0 ; i-- )

                rev = rev + original.charAt(i);

        

             if (original.equals(rev))

                System.out.println(original+" is a palindrome.");

             else

                System.out.println(original+" is not a palindrome.");

        

          }

}

Palindrome java program

Palindrome

Output

Number is palindrome!

Source code

Palindrome.java

package com.swain.cell;

public class Palindrome {

       public static void main(String [] args){

                try{

               

                int num= 161;

                int n = num;

                int rev=0;

                for (int i=0; i<=num; i++){

                int r=num%10;

                num=num/10;

                rev=rev*10+r;

                i=0;

                }

                 if(n == rev){

                System.out.print("Number is palindrome!");

                }

                else{

                System.out.println("Number is not palindrome!");

                }

                }

                catch(Exception e){

                System.out.println("Error");

                }

                }

}