Cara menghapus class Koneksi java

     Membuat class java untuk menghapus koneksi java ke mysql, berikut adalah script untuk menghapus koneksi.

import java.sql.Connection;

import java.sql.PreparedStatement;

import java.sql.SQLException;

public class Delete {

    public static void main(String[] args) throws SQLException {

        String delete = "delete from mahasiswa where nim=?";

        Connection connection = null;

   PreparedStatement ps = null;

        try {

            connection = Koneksi.getKoneksi();

            ps = connection.prepareStatement(delete);

            ps.setString(1, "110011009");

            ps.executeUpdate();

            System.out.println("Delete Berhasil");

        } catch (SQLException e) {

            System.out.println("Error : " + e.getMessage());

        } finally {

            if (ps != null) {

                ps.close();

            }

        }

    }

Script Delete.java