What are local and global classes?

Local classes hide in a report source whereas Global classes sit themselves out centrally in the class pool within the class library of the R/3 Repository . If you are creating a report to do some specific task without worrying about the outside world, you can create a local class.

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What is a local class in C ++?

A class declared inside a function becomes local to that function and is called Local Class in C++. A local class name can only be used locally i.e., inside the function and not outside it. The methods of a local class must be defined inside it only. A local class can have static functions but, not static data members.16 Kas 2021

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What is the purpose of an inner class?

Nested classes represent a particular type of relationship that is it can access all the members (data members and methods) of the outer class, including private. Nested classes are used to develop more readable and maintainable code because it logically group classes and interfaces in one place only.

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What class must an inner class?

It must extend the enclosing class . Explanation: Option B is correct because a static nested class is not tied to an instance of the enclosing class, and thus can’t access the nonstatic members of the class (just as a static method can’t access nonstatic members of a class).

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What is class also called as?

A class consisting of only virtual methods is called a Pure Abstract Base Class (or Pure ABC) in C++ and is also known as an interface by users of the language. Other languages, notably Java and C#, support a variant of abstract classes called an interface via a keyword in the language.

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