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Pointer declaration for data member: Method 1:
int M::* px; // This is known as pointer-to-member declared for class member of A.
px = &M::x;//The pointer px is pointing to the data member m in the class A. int S1;
S1=m.*px;
Method 2: M *pm; pm=&m; int M::*py; py=&M::y; int S2;
S2=pm->*py;//pointer-to-object->*pointer-to-member function
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
Variable Declaration This declaration of variables in the C language is permitted only in the starting of their block, prior to executable program statements. In C++ declaratio
Program is to swap the two values which are enter by user: Program is to swap the two values which are enter by user through the function with values changed using pointers
Write a program to define a matrix: 1. Write a function that takes an integer and calculates and returns the factorial of the integer. The Factorial of a number "n" is compute
/* THIS PROGRAM IS TO ASK USER TO INPUT TWO DATE & PRODUCE A NEW DATE */ #include #include struct date { int dd; int yy; int mm; }; date add(date d1,date d2) {
Write a C program to compute the factorial of 5 i.e 1x2x3x4x5 etc #include stdio.h void main() { char promt; int factor; factor = 1*2*3*4*5; printf("The fac
a program to find the area under curve y=f(x) between x=a and x=b,integrate y=f(x) between the limits of a and b.
With this assignment you will build a toy program that manipulates pointers to integers. You will develop the same main program fragment in both C and Assembler. Thus, you'll get t
Write a program that does the following: Calculates the Velocity and Momentum of an object. The formula for the velocity is V=d/t and the formula Momentum is m=mass*velocity. Your
Develop a Student class that has the following header file: #ifndef STUDENT_H #define STUDENT_H #include #include #include using namespace std; class Stu
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