public class DataBaseUser {

    private QueryRunner queryRunner;

    public DataBaseUser(BasicDataSource basicDataSource) {
        this.queryRunner = new QueryRunner(basicDataSource);
    }

    ...
}

public class DataBaseAdmin {

    private QueryRunner queryRunner;

    public DataBaseAdmin(BasicDataSource basicDataSource) {
        this.queryRunner = new QueryRunner(basicDataSource);
    }

    ...
}

public class DataBaseChat {

    private QueryRunner queryRunner;

    public DataBaseChat(BasicDataSource basicDataSource) {
        this.queryRunner = new QueryRunner(basicDataSource);
    }

    ...
}

BasicDataSource basicDataSource = Core.getDataSource();

DataBaseAdmin dbAdmin = new DataBaseAdmin(basicDataSource);
DataBaseChat dbChat = new DataBaseChat(basicDataSource);

...

basicDataSource.getConnection().close();

public JSONObject userGetInfo(int userId) throws SQLException {
        return getQueryRunner().query(SqlCore.SQL_USER_INFO_GET, new ResultSetHandler<JSONObject>() {
            public JSONObject handle(ResultSet rs) throws SQLException {
                return DataSource.getDbSingleRow(rs);
            }
        }, userId);
    }

public JSONObject userGetInfo(int userId) throws SQLException {
        return getQueryRunner().query(SqlCore.SQL_USER_INFO_GET, new ResultSetHandler<JSONObject>() {
            public JSONObject handle(ResultSet rs) throws SQLException {
                return DataSource.getDbSingleRow(rs);
            }
        }, userId);
    }

public JSONArray userGetPayments(int userId, boolean paid, boolean active, boolean wait, boolean finish, boolean activate) throws SQLException {
        return getQueryRunner().query("SELECT p.*, s.id AS site_id, url FROM payments AS p LEFT JOIN site AS s ON s.id=p.site_id WHERE p.user_id = ? AND p.paid = ? AND active = ? AND wait = ? AND finish = ? AND (activate = ?  OR activate = ?);", new ResultSetHandler<JSONArray>() {
            public JSONArray handle(ResultSet rs) throws SQLException {
                return DataSource.getDbResultArray(rs);
            }
        }, userId, paid, active, wait, finish, activate, !activate);
    }

BasicDataSource basicDataSource = Core.getDataSource();

DataBaseAdmin dbAdmin = new DataBaseAdmin(basicDataSource);
DataBaseChat dbChat = new DataBaseChat(basicDataSource);

basicDataSource.getConnection().close();