Can a class be declared as protected?

No, we cannot declare a top-level class as private or protected. It can be either public or default (no modifier).

Can a class be declared with a protected modifier?

The protected access modifier cannot be applied to class and interfaces. Methods, fields can be declared protected, however methods and fields in a interface cannot be declared protected.

Can I declare a class as private in Java?

We can not declare top level class as private. … Java allows only public and default modifier for top level classes in java. Inner classes can be private.

Can we declare class as protected in C#?

4 Answers. Note that you cannot declare any outer class as private, protected (or protected internal) in c# since the access modifier for outer level classes defines their visibility in relation to other assemblies.

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What does Protected mean in a class?

A protected class is a group of people sharing a common trait who are legally protected from being discriminated against on the basis of that trait. Examples of protected traits include race, gender, age, disability, and veteran status.

Which one of the following class definition is valid definition of a class that Cannot be extended?

For classes, final means it cannot be extended, while for methods, final means it cannot be overridden in a subclass. A nested static class, (d), can be extended.

Which keyword can protect a class in a package from accessibility by the classes outside the package?

Which keyword can protect a class in a package from accessibility by the classes outside the package? static.

Can a class be declared as synchronized?

Although there are situations when it makes perfect sense to make all methods of a class synchronized , a class typically contains other declarations that cannot be synchronized . For example, class constructor cannot be marked synchronized . Same goes for fields of a class.

Can a class be private in C++?

Private: The class members declared as private can be accessed only by the member functions inside the class. They are not allowed to be accessed directly by any object or function outside the class. Only the member functions or the friend functions are allowed to access the private data members of a class.

Can a class be declared inside another class?

A class can be declared within the scope of another class. Such a class is called a “nested class.” Nested classes are considered to be within the scope of the enclosing class and are available for use within that scope.

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Why can a class not be defined as protected?

The answer why protected class will not be accessed by JVM is that, since protected fields are accessible within same package or to diffrent package through inheritance only and JVM is not written in a way so that it will inherit will class.

Can a class be static in C#?

In C#, one is allowed to create a static class, by using static keyword. A static class can only contain static data members, static methods, and a static constructor.It is not allowed to create objects of the static class. Static classes are sealed, means you cannot inherit a static class from another class.

What is a class within a class?

A nested class is a member of its enclosing class. Non-static nested classes (inner classes) have access to other members of the enclosing class, even if they are declared private. Static nested classes do not have access to other members of the enclosing class.

How should a class be declared to make that class is not inheritable?

you can use final keyword to class can not be inherited. But I would recommend you to Use Enums . Enums can not be inherited and only one instance exists per constant value. Also you can do lot more with enums .

What is the difference between private and protected class?

The class members declared as private can be accessed only by the functions inside the class. … The class member declared as Protected are inaccessible outside the class but they can be accessed by any subclass(derived class) of that class.

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How do you access protected attributes of a class?

1 Answer

  1. Implement a method get_attr_1 in Class_1, return attr_1 in this method.
  2. Set attr_1 as public and read-only. class Class_1 definition public final create public global friends Z-class. public section. data attr_1 type your_type read-only. protected section. …
  3. Define Z-class as a friend of Class_1.