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Explain the class invariant.
- It's a condition that ensures correct working of a class and defines all the valid states for an object.
- When an object is created class invariants should hold.
- It is essential for them to be preserved under all operations of the class.
- All class invariants are both preconditions and post-conditions for all operations or member functions of the class.
Program is to store all ASCII char into a file: void main() { ofstream fout("ascii.txt"); int i,n=256; for(i=1;i { fout }
b) Why copy constructor accepts reference to an object and not the object itself? What happens if we do otherwise?
hwat is the area fsdjlakl;aeklfjtealrtl;gka
to calculate the amount to be paid by a customer buying yummy cupcakes for his birth day party
array of class objects and single inheritance
B-tree: A B-tree is an also called balanced m-way tree. A node of the tree may have many records or key and pointers to children. It is also called as the balanced sort tree. It s
#include stdio.h> #include conio.h> #include string.h> void del(char[],char *); main() { char str[30],ch,*pp; clrscr(); p
Aim: To implement program to calculate area of cube using inline function. Code: inline void area_cube(float side) { float area; are
Access to the channel/devices is achieved by means of general purpose I/O routines Theses are standard functions described in stdio.h header file namely getc and putc. Getc and put
A string is said to be "Beautiful"€, if it contains only non repetitive alphabets
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