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A:
1. By using const protects you against programming errors which inadvertently alter data.
2. By using const allows function to procedure const and non-const actual both arguments, whereas a function without const in the prototype can only accept non constant arguments.
3. By using a const reference let the function to generate and employ a temporary variable appropriately.
Define some features of external storage class in c program? The features of an external storage class variable are as follows: Storage - memory Default initial value -
Explain Rules for constructing variable names? The Rules for constructing variable names : a) A variable name is any combination of alphabets, 0 to 9 digits and undersc
">http://www.ee.nmt.edu/~erives/289_F12/EE289_Takehome_2.pdf http://www.ee.nmt.edu/~erives/289_F12/Takehome2_maze.GIF
Relationship between an Array and Pointers. Consider the following. int arr[] = {0,1,2,3,4,5,6,7,8,9}; If we write arr , it is considered as the address of the first elem
#queComputers are frequently used in check-writing systems, such as payroll and accounts payable applications. Many stories circulate regarding weekly pay- checks being printed (by
Classes and Objects A class is a vehicle to execute the OOP features in the C++ language. Once a class is declared, an object of that type can be explained. An object is said t
A: A dangling pointer arises while you use the address of an object after its lifetime is end. It may occur in situations such as returning addresses of automatic variables from a
Q: But operator overloading makes class look ugly; isn't it assumed to make my code clearer? A: Operator overloading makes life simpler for the users of a class, not for develop
Polymorphism C++ supports this idea - that different objects do "the right thing "- by function polymorphism and class polymorphism. Poly means many, while morph means form.
Where are longjmp and setjmp used in C++? -Setjmp and longjmp must not be used in C++. - Longjmp jumps out of the function without unwinding stack. This means that local obj
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