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for object, malloc allocates memory in heap however doesn't invoke object's constructor to initialize the object. new allocates memory & also invokes constructor to initialize the object. free() and malloc() do not support object semantics, does not destruct and construct objects
For example : string * ptr = (string *)(malloc (sizeof(string))) Are not secure, and does not compute the size of the objects that it construct
The following return a pointer to void int *p = (int *) (malloc(sizeof(int))); int *p = new int;
Are not extensible delete and new can be overloaded in a class "delete" first calls object's termination routine (for example. its destructor) and after that releases the space the object engaged on the heap memory. If an array of objects was developed using new, then delete ought to be told that it is dealing along with an array by preceding the name along with an empty :-
Int_t *my_ints = new Int_t;
Write a program of constructors and destructors Make a class drugs having encapsulated data for medicine name, whether solid or liquid, price and purpose of use. From this clas
Inheritance is the process of forming new classes, called derived classes, from existing classes or base classes. The derived class inherits all the capabilities of the base class,
A palindrome is a string that reads the same from both the ends. Given a string S convert it to a palindrome by doing character replacement. Your task is to convert S to palindrome
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Prepare data from fixed OCR areas scanned. Project Description: Project is to design software which can use character recognition only on certain areas of scanned pdf's/ jpeg
To store a date use a structure that contains three members date, month and year. If the dates are equal then display message “Equal” otherwise “Unequal” Program structure: main()
planning the solution
Question 1 Consider you have to find out average marks of 100 students in a class. Write simple program(s) using different iteration statements to accomplish it Question 2 Expla
write a program to calculate gross salary and net salary using hra da pf in c++
Smugglers are becoming very smart day by day. Now they have developed a new technique of sending their messages from one smuggler to another. In their new technology, they are send
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