1. In programming, variables that are declared with private access modifier and can only be accessed within the same class or object in which they are defined
Private variables in Java are declared using the 'private' keyword and cannot be accessed from outside the class.
As variáveis privadas em Java são declaradas usando a palavra-chave 'private' e não podem ser acessadas de fora da classe.
2. Data members of a class that are restricted to be used only within that class, providing encapsulation and data hiding
Using private variables is a best practice to encapsulate sensitive data within a class.
Usar variáveis privadas é uma boa prática para encapsular dados sensíveis dentro de uma classe.