1. A method in programming that performs a specific subtask to support the main logic of a program or class, often used to reduce code duplication and improve readability
The validateInput() is a helper method that checks if the user's data is correct before processing.
O método validateInput() é um método auxiliar que verifica se os dados do usuário estão corretos antes do processamento.
2. A private or internal method that provides functionality called by other methods, typically not exposed to external users
We created a helper method to format dates consistently across the application.
Criamos um método auxiliar para formatar datas de forma consistente em toda a aplicação.