abcdefghitr

try{
			Class.forName("oracle.jdbc.driver.OracleDriver");
			Connection con = DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:xe","hr","hr");
			PreparedStatement pstmt = con.prepareStatement("insert into bill_master values (?,?,?)");
			bno = Integer.parseInt(request.getParameter("billno"));
			name = request.getParameter("cust_name");
			amt = Integer.parseInt(request.getParameter("amt"));
			pstmt.setInt(1, bno);
			pstmt.setString(2, name);
			pstmt.setInt(3, amt);
			int i = pstmt.executeUpdate();
			con.commit();
			System.out.println("Record added successfully.");

		}catch(Exception e){
			System.out.println("Sorry");
		}