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It is standard on functions to provide some indication that the function has succeeded in its operation. Consider the Scanf function:
scanf("%d",&number1); If the function does indeed get a integer from the keyboard then everything is okay, but what happens if the user types in a char or float etc. The program might crash, it is common to write functions which never crash but return an error code. On the function scanf, the full prototype is
int scanf("format",&variables); The int is used to provide details of correct operation i.e. number of values input or '-1' error . We can use this in programs to trap errors and repeat functions etc. The appended ANSI library shows full prototypes and meaning of return values from functions.
sir,why we use virtual function
Default argument: When the argument is missing then the function will read the default value of the missing argument. To make use of default argument functionality the argu
You must write a program that can both decrypt and encrypt a single word that is entered by the user. The initial choice of encryption and decryption is left up to the user. Addi
write a programme that allows a user to enter 5 distinct words and returns them as a single string
getting a palindrome using minimum replacement
Problem: a) Give and Illustrate with the help of diagrams, four topologies for the Network Information System (NIS). b) Give methods for creating user accounts and groups.
Hiding overloaded functions We cannot overload a base class function by redefining it in a derived class with a dissimilar argument list. Consider examples to see if similar fu
Calculate the salary if the person work 8 hours/day and the salary/hour is RM5.20 - UML class diagaram -Class -Exception handling/assertion
Program to Open a file in C++: int main() { char ch; ifstream f1 ("OLDFILE.TXT"); ofstream f2 ("NEWFILE.TXT");
why oops
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