What is polymorphism? C++

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Polymorphism is the idea that a base class can be inherited by several classes. A base class pointer can point to its child class and a base class array can store different child class objects.

2012-02-01, 2792👍, 0💬

Does c++ support multilevel and multiple inheritance?
Does c++ support multilevel and multiple inheritance? Yes. 2012-02-02, 3054👍, 0💬

What is public, protected, private? C++
What is public, protected, private? C++ Public, protected and private are three access specifiers in C++. Public data members and member functions are accessible outside the class. Protected data members and member functions are only available to derived classes. Private data members and member func... 2012-01-30, 2959👍, 0💬

Write a function that swaps the values of two integers, using int* as the argument type.
Write a function that swaps the values of two integers, using int* as the argument type. void swap(int* a, int*b) { int t; t = *a; *a = *b; *b = t; } 2012-01-31, 2948👍, 0💬

You have two pairs: new() and delete() and another pair : alloc() and free(). Explain differences between eg. new() and malloc()
You have two pairs: new() and delete() and another pair : alloc() and free(). Explain differences between eg. new() and malloc() Answer1 1.) “new and delete” are preprocessors while “malloc() and free()” are functions. [we dont use brackets will calling new or delete]. 2.) no need of allocate the m... 2012-02-06, 2910👍, 0💬

Write a short code using C++ to print out all odd number from 1 to 100 using a for loop
Write a short code using C++ to print out all odd number from 1 to 100 using a for loop for( unsigned int i = 1; i < = 100; i++ ) if( i & 0x00000001 ) cout << i << \",\"; 2012-01-30, 2895👍, 0💬

What is the difference between an ARRAY and a LIST?
What is the difference between an ARRAY and a LIST? Answer1 Array is collection of homogeneous elements. List is collection of heterogeneous elements. For Array memory allocated is static and continuous. For List memory allocated is dynamic and Random. Array: User need not have to keep in track of n... 2012-02-02, 2816👍, 0💬

Tell how to check whether a linked list is circular C++
Tell how to check whether a linked list is circular C++ Create two pointers, each set to the start of the list. Update each as follows: while (pointer1) { pointer1 = pointer1->next; pointer2 = pointer2->next; if (pointer2) pointer2=pointer2->next ;if (pointer1 == pointer2) { pri... 2012-01-31, 2803👍, 0💬

What is polymorphism? C++
What is polymorphism? C++ Polymorphism is the idea that a base class can be inherited by several classes. A base class pointer can point to its child class and a base class array can store different child class objects. 2012-02-01, 2793👍, 0💬

Write a program that ask for user input from 5 to 9 then calculate the average
Write a program that ask for user input from 5 to 9 then calculate the average #include "iostream.h" int main() { int MAX = 4; int total = 0; int average; int numb; for (int i=0; i<MAX; i++) { cout << "Please enter your input between 5 and 9: "; cin >> numb; while ... 2012-01-27, 2720👍, 0💬

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