What is the difference between private method and public method in Java?
Public members can be accessed from the child class of the same package. Private members cannot be accessed from the child class of the same package. Public members can be accessed from child class of outside package. Private members cannot be accessed from child class of outside package.
What is the difference between the public and private parts of a class?
Broadly speaking, public means everyone is allowed to access, private means that only members of the same class are allowed to access, and protected means that members of subclasses are also allowed.
What does a private method do?
This is what private methods are used for. It is used to hide the inner functionality of any class from the outside world. Private methods are those methods that should neither be accessed outside the class nor by any base class.
What is the purpose of private method?
Private methods are useful for breaking tasks up into smaller parts, or for preventing duplication of code which is needed often by other methods in a class, but should not be called outside of that class.
What is the difference between public/private and protected in Java?
Differences. First and important difference is the accessibility i.e. anything public is accessible to anywhere , anything private is only accessible in the class they are declared , anything protected is accessible outside the package but only to child classes and default is accessible only inside the package.
What is public method in Java?
Public methods are methods that are accessible both inside and outside the scope of your class. Any instance of that class will have access to public methods and can invoke them.
Can private class have public methods?
2 Answers. Yes there is. You don’t actually return an direct reference to your private class, since other classes can’t use it. Instead, you extend some public class, and return your private class as an instance of that public class.
What are public methods?