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Differentiate between the expression "++a" and "a++"?
- With ++a, increment happens first on variable a, and resulting value is used. This is known as prefix increment.
- With a++, current value of the variable would be used in an operation. This is termed as postfix increment.
Explain Operator Overloading It is one type of Polymorphism, an significant feature of object-oriented programming .Polymorphism means one thing having many forms, i.e. here an
Aim: To implement a program for dynamic data structure(linked list). Code: class node { int data; node *next;
What happens if you write following code? string& foo()
A: you can exploit by overloading standard operators on a class, the intuition of the users of that class. This allow users program in the language of the problem domain instead of
program with coding
Aim: To implement program to calculate area of cube using inline function. Code: inline void area_cube(float side) { float area; are
Rule: To determine the canonical form we should OR the min terms. A min term is defined as a Boolean equation of the input if the output is logic '1'. If the input is logic '1'
Inline functions, C++ provides inline functions to help reduce function_call overhead especially for small functions. The qualifier inline before function's return type in the f
Differences between a pointer and a reference 1. A reference must always point to some object where as this restriction is not imposed on a pointer. e.g. int *pi = 0;
write a function that take as parameters an array of integer and its size and return the sum of its value
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