What is static member of a calss?

What is static member of a calss?
by

1 Answer

Answer :

Static members belong to the whole class rather than to individual object  Static members are accessed with the name of class rather than reference to objects
by

Related questions

What is Static Constructor?

Description : What is Static Constructor?

Last Answer : In C# it is possible to write a static no-parameter constructor for a class. Such a class is executed once, when first object of class is created. Class MyClass { static MyClass() { //Initialization Code for static fields and properties. } }

What is Static Method of the class?

Description : What is Static Method of the class?

Last Answer : Methods that you can call directly without first creating an instance of a class. 1. As static methods may be called without any reference to object

What is Interface?

Description : What is Interface?

Last Answer : An Interface is a group of constants and method declaration interface like classes, define a set of properties, methods, and events. But unlike classes, interfaces do not provide implementation

How many types of Access Modifiers?

Description : How many types of Access Modifiers?

Last Answer : Public – Allows the members to be globally accessible. Private – Limits the member’s access to only the containing type. Protected – Limits the member’s access to the containing type and all classes derived from the containing type. Internal – Limits the member’s access to within the current project

Whait is Method overriding?

Description : Whait is Method overriding?

Last Answer : Method overriding occurs when child class declares a method that has the same type arguments as a method declared by one of its superclass. By declaring base class function as virtual, we allow the function to be overridden in any of derived class

What is a Method Overloading?

Description : What is a Method Overloading?

Last Answer : Method with same name but with different arguments is called method overloading

What is Polymorphism?

Description : What is Polymorphism?

Last Answer : Polymorphism means same operation may behave differently on different classes. Example : 1. Method Overloading and Method Overriding

Is .NET C# supports Multiple inheritance?

Description : Is .NET C# supports Multiple inheritance?

Last Answer : Multiple inheritance of classes is not allowed in C#. but In C# you can implements more than one interface, thus multiple inheritance is achieved through interface

Can you allow a class to be inherited, but prevent the method from being overridden?

Description : Can you allow a class to be inherited, but prevent the method from being overridden?

Last Answer : Yes. Just leave the class public and make the method sealed

Can you prevent your class from being inherited by another class?

Description : Can you prevent your class from being inherited by another class?

Last Answer : Yes. The keyword “sealed” will prevent the class from being inherited.

What are Sealed Classes in C#?

Description : What are Sealed Classes in C#?

Last Answer : The sealed modifier is used to prevent derivation from a class

What is an Inheritance?

Description : What is an Inheritance?

Last Answer : The process of sub-classing a class to extend its functionality is called Inheritance. Advantage : It provides idea of reusability.

What is ref keyword & out keyword?

Description : What is ref keyword & out keyword?

Last Answer : Refrence Variable “must” be initialized before it is passed into a method.

What is Value Type and Reference Type?

Description : What is Value Type and Reference Type?

Last Answer : A variable is value type or reference type is solely determined by its data type. Ex: int, float, char, decimal, bool, decimal, struct, etc are value types As name suggest Reference Type stores reference to the ... ; Y = X; Console.writeline(Y.value); Y.value = 50; Console.writeline(X.value);

What is Enumeration?

Description : What is Enumeration?

Last Answer : Enumeration improves code readability. It also helps in avoiding typing mistake

What is a Garbage collection?

Description : What is a Garbage collection?

Last Answer : Garbage collection is the mechanism that reclaims the memory resources of an object when it is no longer referenced by a variable. And Net Runtime performs automatically performs garbage collection

What is the difference between the destructor and the Finalize() method? When does the Finalize() method get called?

Description : What is the difference between the destructor and the Finalize() method? When does the Finalize() method get called?

Last Answer : Finalize() corresponds to the .Net Framework and is part of the System.Object class. Destructors are C#'s implementation of the Finalize() method. The functionality of both Finalize() and the destructor is the same

What is Destructor?

Description : What is Destructor?

Last Answer : A destructor is just opposite to constructor. it has same as the class name, but with prefix ~ (tilde). They do not have return types

What is Finalize() Method of Object class?

Description : What is Finalize() Method of Object class?

Last Answer : Each class in C# is automatically (implicitly) inherited from the Object class which contains a method Finalize(). This method is guaranteed to be called when your object is garbage collected

What is Constructor?

Description : What is Constructor?

Last Answer : A constructor is a special method whose task is to initialize the object of its class. 1. It is special because its name is the same as the class name 2. They do not have return ... can call the base class constructor 4. Constructor is invoked whenever an object of its associated class is created

Whar are properties?

Description : Whar are properties?

Last Answer : Attribute of object is called properties Example:- A car has color as property.

What is an encapsulation?

Description : What is an encapsulation?

Last Answer : Wrapping up of data and function into a single unit is known as Encapsulation.

What is an Object?

Description : What is an Object?

Last Answer : Instance of Class is called object. An object is created in memory using keyword “new”.

What is a Class?

Description : What is a Class?

Last Answer : A user-defined data structure that groups properties and methods. Class doesn’t occupies memory.

Do you need to instantiate a class before accessing a Shared (static) member? Why or why not?

Description : Do you need to instantiate a class before accessing a Shared (static) member? Why or why not?

Last Answer : Because a Shared (static) member belongs to the type rather than to any instance of the type, you can access the member without first creating an instance of the type.

If there are m unknown member forces, r unknown reaction components and j number of joints, then the degree of static indeterminacy of a pin-jointed plane frame is given by (A) m + r + 2j (B) m - r + 2j (C) m + r - 2j (D) m + r - 3j

Description : If there are m unknown member forces, r unknown reaction components and j number of joints, then the degree of static indeterminacy of a pin-jointed plane frame is given by (A) m + r + 2j (B) m - r + 2j (C) m + r - 2j (D) m + r - 3j

Last Answer : (C) m + r - 2j

Define what is a static member?

Description : Define what is a static member?

Last Answer : The member defined as static which can be invoked directly from the class level, rather than from its instance.

State True or False. i) A satic function can have access to only other static members (functions or variables) declared in the same class. ii) A static member function can be called using the class name (instead of its objects) A) True, True B) True, False C) False, True D) False, False

Description : State True or False. i) A satic function can have access to only other static members (functions or variables) declared in the same class. ii) A static member function can be called using the class name (instead of its objects) A) True, True B) True, False C) False, True D) False, False

Last Answer : B) True, False

Which of the following is true about the static member variable in C++. i) It is initialized to zero when the first object of its class is created. Other initialization is also permitted. ii) It is visible only within the class, but its lifetime is the entire program. A) i-True, ii-True B) ii-False, ii-True C) i-True, ii-False D) i-False, iii-False

Description : Which of the following is true about the static member variable in C++. i) It is initialized to zero when the first object of its class is created. Other initialization is also permitted. ii) It is visible only within ... , ii-True B) ii-False, ii-True C) i-True, ii-False D) i-False, iii-False

Last Answer : B) ii-False, ii-True

Describe use of static data member.

Description : Describe use of static data member.

Last Answer : Use of static data member: Static data member (variable) is used to maintain values common to the entire class. Only one copy of static member is created for the entire class and is shared by all the objects of that class. Its lifetime is the entire program.

Describe use of static data member in C++ with example.

Description : Describe use of static data member in C++ with example.

Last Answer : Use of static data member: 1. Static data member is used to maintain values common to the entire class. 2. It is initialized to zero when the first object of its class is created. 3. Only one copy of that member is ... (); test t3; t3.getdata(); test::showcount(); getch(); }

Explain the need of static member function with example.

Description : Explain the need of static member function with example.

Last Answer : A static member function can have access to only other static members (functions or variables) declared in the same class. A static member function can be called using the class name as follows: class_name:: ... test::showcount(); -------------Call to static member function. }

State characteristic of static data member. Explain why static data member must be defined outside the class.

Description : State characteristic of static data member. Explain why static data member must be defined outside the class. 

Last Answer : Characteristics of static data members: 1. It is initialized to zero when the first object of its class is created. No other initialization is permitted. 2. Only one copy of that member is created ... member(s) it is necessary to make static members global and re-declared outside of the class.

List characteristics of static data member and static member function.

Description : List characteristics of static data member and static member function.

Last Answer : Characteristics of static member variable are: i) It is initialized to zero when the first object of its class is created. No other initialization is permitted. ii) Only one copy of that ... the class name with a scope resolution operator instead of object name as follows: class_name::function_name;

Explain static member function.

Description : Explain static member function.

Last Answer : Static member function: - a static member function can have access to only other static variables or functions declared in the same class. It can be called using the class name instead of its object. It can be declared ... ; } static void showcount()----------------static member function { cout

With example, describe use of static member function.

Description : With example, describe use of static member function.

Last Answer : A static member function can have access to only other static members (functions or variables) declared in the same class. A static member function can be called using the class name as follows: class_name:: ... static void showcount()----------------//static member function { cout

Which of the following is not a member of class ? (A) Static function (B) Friend function (C) Const function (D) Virtual function

Description : Which of the following is not a member of class ? (A) Static function (B) Friend function (C) Const function (D) Virtual function

Last Answer : (B) Friend function

Which of the following is used to make an Abstract class ? (A) Making atleast one member function as pure virtual function (B) Making atleast one member function as virtual function (C) Declaring as Abstract class using virtual keyword (D) Declaring as Abstract class using static keyword

Description : Which of the following is used to make an Abstract class ? (A) Making atleast one member function as pure virtual function (B) Making atleast one member function as virtual function (C) Declaring as Abstract class using virtual keyword (D) Declaring as Abstract class using static keyword

Last Answer : (A) Making atleast one member function as pure virtual function

Write two properties of static member function

Description : Write two properties of static member function

Last Answer : i) A static member function can have access to only other static data members and functions declared in the same class. ii) A static member function can be called using the class name with a scope resolution operator instead of object name as follows: class_name::function_name;