Programming in D: The Ultimate Guide for Software Engineers/

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Solution: Build a Calculator Application

Solution: Build a Calculator Application

This lesson provides a solution to the challenge given in the previous lesson.

We'll cover the following...

Solution #

Here is the program that will perform functionalities of a calculator.

D
import std.stdio; 
import std.string;
void main() {
    string operation = "add";
    double first=8;
    double second=4;
    double result;
    final switch (operation) {
    case "add":
        result = first + second;
        break;
    case "subtract":
        result = first - second;
        break;
    case "multiply":
        result = first * second;
        break;
    case "divide":
        result = first / second;
        break;
    }
    writeln(result);
}

Solution explanation

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