java connectivity to mysql

See more:

JavaSE

J2EE

i have created a program by which we can save the data into the database.front end is java swing and i am using jdk1.5.0 and back end is mysql the problem is that i not able to save the record and its showing
Java.Lang.ClassNotFoundExeption:com.mysql.jdbc.Driver
and source code is:

try{
	Connection con = null;
	Class.forName("com.mysql.jdbc.Driver");
	con = DriverManager.getConnection("jdbc:mysql://localhost:3306/azim", "root", "apnaghar");
	Statement st = con.createStatement();
	int i= st.executeUpdate("Insert into meical(itemCode,itemName,catagory,type,suppliyer,expDate,manDate,MRP,position) values('"+t1.getText()+"','"+t2.getText()+"','"+lb1.getSelectedItem()+"','"+lb2.getSelectedItem()+"','"+t3.getText()+"','"+t4.getText()+"','"+t5.getText()+"','"+t6.getText()+"','"+t7.getText()+"')");
	JOptionPane.showMessageDialog(null,"Data is successfully inserted into the database." );
	st.close();
	con.close();
	}
	catch(Exception e)
	{
	System.out.println(e);
	}
	
	}