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Class is declared using the class keyword, and structure is declared using the struct keyword. //C++

GENERICS IN C++ 👉🏽Generics is the idea to allow type (Integer, String, … etc and user-defined types) to be a parameter to methods, classes and interfaces. For example, classes like an array, map, etc, which can be used using generics very efficiently. ✅Generics can be implemented in C++ using Templates. Template is a simple and yet very powerful tool in C++. The simple idea is to pass data type as a parameter so that we don’t need to write the same code for different data types. For example let's look the program that sort() using the idea of generics:_ #include <iostream> using namespace std; // One function works for all data types. // This would work even for user defined types // if operator '>' is overloaded template <typename T> T myMax(T x, T y) { return (x > y) ? x : y; } int main() { // Call myMax for int cout << myMax<int>(3, 7) << endl; // call myMax for double cout << myMax<double>(3.0, 7.0) << endl; // call myMax for char cout << myMax<char>('g', 'e') << endl; return 0; }

Program Plan: (Question) • Prompt the user for the file name, try to open the input file, display an error message and exit the program if the file name is not found. • Read the first number from the file using the if-condition which reads a number from the file, if any number exists in the file. If no numbers exist in the file, this condition stands failed. • Repeat a while loop to read all numbers in the file and to find the largest and smallest number in the file. • Display the largest and smallest numbers in the file. • Display a message to the user if the file contains no numbers that the file is empty. ANSWER: »https://t.me/learntocodecpp/399«

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C++ problem@: An election is contested by five candidates. The candidates are numbered 1 to 5, and the voting is done by marking the candidate number on the ballot paper. Write a program to read the ballots and count the votes cast for each candidate using an array variable count. In case, a number read is outside the range 1 to 5, the ballot should be considered as a “spoiled ballot”, and the program should also count the number of spoiled ballots.

##" Write a definition for a structure type for records consisting of a person’s wage rate, accrued vacation (which is some whole number of days), and status (which is either hourly or salaried). Represent the status as one of the two char values 'H' and 'S'. Call the type EmployeeRecord.