working with auto increment of mysql in JDBC

For explanation Watch video ::

code::

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;

public class AutoIncrementEx {
  private static final String query = "insert into emp2(ename,eadd) values(?,?)";
  public static void main(String[] args) {
    try (Connection con = DriverManager.getConnection("jdbc:mysql:///new", "root", "root"); PreparedStatement ps = con.prepareStatement(query);) {
      ps.setString(1, "raja");
      ps.setString(2, "nagpur");
      int count = ps.executeUpdate();
      if (count != 0) {
        System.out.println("Record Inserted");
      } else {
        System.out.println("Record Not Inserted");
      }
    } catch (SQLException se) {
      se.printStackTrace();
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
}