The public interface of a class should contain only operations defined on the class. Classes should be the least dependent as possible. A class hierarchy in the inheritance should be drawn based upon their natural relationship and never imposed. The topmost class should be an abstract class or an interface.14 Ara 2016
Read moreWhat is private public and protected?
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 .
Read moreWhat is difference between public/private and protected and default 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.
Read moreWhat is the difference between public/private and protected modifiers in Java?
A class may be declared with the modifier public , in which case that class is visible to all classes everywhere. … The protected modifier specifies that the member can only be accessed within its own package (as with package-private) and, in addition, by a subclass of its class in another package.
Read moreWhat is the default access modifier for class variable in Java?
The Default access modifier is package-private (i.e DEFAULT) and it is visible only from the same package.23 Nis 2013
Read moreWhy is encapsulation needed in Java?
Why Do We Need Encapsulation Encapsulation allows us to modify the code or A part of the code without having to change any other functions or code . Encapsulation controls how we access data. We can modify the code based on the requirements using encapsulation.
Read moreHow is encapsulation achieved in Java?
Encapsulation in Java can be achieved by: Declaring the variables of a class as private. Providing public setter and getter methods to modify and view the variables values .
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