Insert double and float to database in Java

//from  w  w w  .  j  a  v  a  2 s  .  c  om
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;

public class Main {
  public static void main(String[] argv) throws Exception {

    Class.forName("com.mysql.jdbc.Driver");
    Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/jdbctutorial",
        "root", "root");

    String sql = "INSERT myTable VALUES(?,?,?,?)";
    PreparedStatement prest = con.prepareStatement(sql);
    prest.setString(1, "A");
    prest.setInt(2, 5);
    prest.setDouble(3, 2.0);
    prest.setFloat(4, 4.2f);
    int row = prest.executeUpdate();
    System.out.println(row + " row(s) affected)");
  }
}