Question

what is encapsulation in java

Answer 1

Encapsulation in Java is a mechanism that binds data (variables) and methods (functions) together as a single unit. It helps in restricting access to the variables of a class and ensuring data integrity and security. Encapsulation is achieved by declaring the variables of a class as private and providing public methods (getters and setters) to access and modify these variables. This way, the data is hidden from outside classes and can only be accessed through the defined methods. This concept is a key principle of object-oriented programming and helps in creating modular and maintainable code.