FAQ: What Does Protected Mean In Java?

What is a protected in Java?

Basically, the protected keyword is an access modifier for method and variable of a class. When a method or a variable is marked as protected, it can be accessed from: Within the enclosing class. Other classes in the same package as the enclosing class. Sub classes, regardless of packages.

What is protected in Java with example?

Protected keyword in Java refers to one of its access modifiers. The methods or data members declared as protected can be accessed from: Within the same class. Subclasses of same packages. Different classes of same packages.

When should I use protected in Java?

Use it when you need to do some internal stuff that is not exposed in public API but still needs to be overriden by subclasses. You need to use the protected access modifier, when you want the descendant class to see the fields / methods of the super class, BUT you do not want other classes to see these.

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What is the difference between private and protected?

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

What is the difference between private and protected in Java?

The private modifier specifies that the member can only be accessed in its own class. 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.

Can I override protected method in Java?

Yes, the protected method of a superclass can be overridden by a subclass.

What is overriding in Java?

The benefit of overriding is: ability to define a behavior that’s specific to the subclass type, which means a subclass can implement a parent class method based on its requirement. In object-oriented terms, overriding means to override the functionality of an existing method.

What does final mean in Java?

From Wikipedia, the free encyclopedia. In the Java programming language, the final keyword is used in several contexts to define an entity that can only be assigned once. Once a final variable has been assigned, it always contains the same value.

Is true a keyword in Java?

true, false, and null might seem like keywords, but they are actually literals; you cannot use them as identifiers in your programs.

Why is protected used?

The protected keyword is an access modifier used for attributes, methods and constructors, making them accessible in the same package and subclasses.

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Can class be protected in Java?

No, we cannot declare a top-level class as private or protected. It can be either public or default (no modifier). If it does not have a modifier, it is supposed to have a default access.

What is public/private protected in Java?

In Java, public and private are keywords that are known as an access modifier or specifier. It restricts the scope or accessibility of a class, constructor, variables, methods, and data members. Java provides the four types of access modifiers: public, private, protected, and default.

What is the difference between private and protected inheritance?

protected inheritance makes the public and protected members of the base class protected in the derived class. private inheritance makes the public and protected members of the base class private in the derived class.

What is the difference between private and protected access specifier with example?

Access specifiers define how the members (attributes and methods) of a class can be accessed. private – members cannot be accessed (or viewed) from outside the class. protected – members cannot be accessed from outside the class, however, they can be accessed in inherited classes.

What is private protected?

The private protected keyword combination is a member access modifier. A private protected member is accessible by types derived from the containing class, but only within its containing assembly. For a comparison of private protected with the other access modifiers, see Accessibility Levels.

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