what is the difference between static polymorphism and dynamic polymorphism in c#?
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In object-oriented programming paradigm, polymorphism is often expressed as 'one interface, multiple functions'. Polymorphism can be static or dynamic. In static polymorphism, the response to a function is determined at the compile time. In dynamic polymorphism, it is decided at run-time.
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All these keywords are part of the main method of any C# program. ... public − This is the access specifier that states that the method can be accesses publically. static − Here, the object is not required to access static members. void − This states that the method doesn't return any value.
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Static Objects are actually classes that have all members static. So you need not make a obj of that class to use any methods or access any members. Objects that have some non-static methods and fields are dynamic objects and require a constructor. Python can have both static and dynamic objects.
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Static methods need to have no effect on the state of the object. They can have local variables in addition to the parameters. public: Public declared items can be accessed everywhere. protected: Protected limits access to inherited and parent classes (and to the class that defines the item).
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In C#, a method in a derived class can have the same name as a method in the base class. ... The override modifier extends the base class virtual method, and the new modifier hides an accessible base class method. The difference is illustrated in the examples in this topic.
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Overriding is when you call a method on an object and the method in the subclass with the same signature as the one in the superclass is called. Polymorphism is where you are not sure of the objects type at runtime and the most specific method is called.
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The only difference between static and member functions is that member functions always have the this pointer passed in automatically. simply if it is referred, static functions creates a single set of memory for itself and are meant for static data-members which are generally not changeable.
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The new operator is used to initialize new objects. You can create many instances from both the new operator and Class. forName() difference is the 2nd time you create a newInstance() static blocks will not get initialized.
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The C# programming language provides support for both virtual and abstract methods, each of which has distinct advantages. You use virtual methods to implement late binding, whereas abstract methods enable you to force the subclasses of the type to have the method explicitly overridden.
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Static testing is about the prevention of defects whereas Dynamic testing is about finding and fixing the defects. Static testing does the verification process while Dynamic testing does the validation process. Static testing is performed before compilation whereas Dynamic testing is performed after compilation.
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Constant is just a constant, i.e. you can't change its value after declaring. Static variable is accessible without making an instance of a class and therefore shared between all the instances of a class.
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public means that the method is visible and can be called from other objects of other types. ... static means that the method is associated with the class, not a specific instance (object) of that class. This means that you can call a static method without creating an object of the class.
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A static variable can be thought of as a variable that is allocated in memory for the lifetime of during program execution. ... A dynamic variable is a variable that can hold any value provided by the user during any program execution. Every time, new memory space is allocated for such a variable.
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The object type can be passed as a method argument and method also can return object type. Var type cannot be passed as a method argument and method cannot return object type. Var type work in the scope where it defined. Dynamic type can be passed as a method argument and method also can return dynamic type.
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['local variable.', 'instance variable.', 'static variable.']
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Static libraries, while reusable in multiple programs, are locked into a program at compile time. Dynamic, or shared libraries on the other hand, exist as separate files outside of the executable file. ... A static library, however, is untouchable because it lives inside the executable file.
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"Static" means unchanged or constant, while "dynamic" means changing or lively. Therefore, static Web pages contain the same prebuilt content each time the page is loaded, while the content of dynamic Web pages can be generated on-the-fly. ... Other types of Web pages, such as PHP, ASP, and JSP pages are dynamic Web pages.