[java] Junit test case for database insert method with DAO and web service

/*

public class UserDAO {

public boolean insertUser(UserBean u) {
    boolean flag = false;
    MySqlConnection msq = new MySqlConnection();
    try {

        String sql = "insert into regis values(?,?,?,?,?)";

        Connection connection = msq.getConnection();
        PreparedStatement statement = null;
        statement = (PreparedStatement) connection.prepareStatement(sql);
        statement.setString(1, u.getname());
        statement.setString(2, u.getlname());
        statement.setString(3, u.getemail());
        statement.setString(4, u.getusername());
        statement.setString(5, u.getpasswords());
        statement.executeUpdate();

        flag = true;
    } catch (Exception e) {
    } finally {
        return flag;
    }

}

public String userValidate(UserBean u) {
    String login = "";
    MySqlConnection msq = new MySqlConnection();
    try {
        String email = u.getemail();
        String Pass = u.getpasswords();

        String sql = "SELECT name FROM regis WHERE email=? and passwords=?";
        com.mysql.jdbc.Connection connection = msq.getConnection();
        com.mysql.jdbc.PreparedStatement statement = null;
        ResultSet rs = null;
        statement = (com.mysql.jdbc.PreparedStatement) connection.prepareStatement(sql);
        statement.setString(1, email);
        statement.setString(2, Pass);
        rs = statement.executeQuery();
        if (rs.next()) {
            login = rs.getString("name");
        } else {
            login = "false";
        }

    } catch (Exception e) {
    } finally {
        return login;
    }
}

public boolean getmessage(UserBean u) {
    boolean flag = false;
    MySqlConnection msq = new MySqlConnection();
    try {


        String sql = "insert into feedback values(?,?)";

        Connection connection = msq.getConnection();
        PreparedStatement statement = null;
        statement = (PreparedStatement) connection.prepareStatement(sql);
        statement.setString(1, u.getemail());
        statement.setString(2, u.getfeedback());
        statement.executeUpdate();

        flag = true;
    } catch (Exception e) {
    } finally {
        return flag;
    }

}

public boolean insertOrder(cartbean u) {
    boolean flag = false;
    MySqlConnection msq = new MySqlConnection();
    try {

        String sql = "insert into cart (product_id, email, Tprice, quantity) values (?,?,2000,?)";

        Connection connection = msq.getConnection();
        PreparedStatement statement = null;
        statement = (PreparedStatement) connection.prepareStatement(sql);
        statement.setString(1, u.getpid());
        statement.setString(2, u.getemail());
        statement.setString(3, u.getquantity());

        statement.executeUpdate();

        flag = true;
    } catch (Exception e) {
        System.out.print("hi");
    } finally {
        return flag;
    }

}

}

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