ComboPooledDataSource dataSource = new ComboPooledDataSource();
dataSource.setDriverClass("com.mysql.cj.jdbc.Driver");
dataSource.setJdbcUrl("jdbc:mysql://localhost:3306/test");
dataSource.setUser("root");
dataSource.setPassword("password");
Connection connection = dataSource.getConnection();
Statement statement = connection.createStatement();
ResultSet resultSet = statement.executeQuery("SELECT * FROM users");
while(resultSet.next()) {
String username = resultSet.getString("username");
int age = resultSet.getInt("age");
System.out.println("Username: " + username + ", Age: " + age);
}
resultSet.close();
statement.close();
connection.close();
