c3p0.driverClass=com.mysql.jdbc.Driver c3p0.jdbcUrl=jdbc:mysql://localhost:3306/mydatabase c3p0.user=root c3p0.password=secret import com.mchange.v2.c3p0.ComboPooledDataSource; ComboPooledDataSource dataSource = new ComboPooledDataSource(); Connection connection = dataSource.getConnection(); connection.close(); ComboPooledDataSource dataSource = new ComboPooledDataSource(); Connection connection = dataSource.getConnection(); connection.close();