how to call a method ? in this class to program.cs pls help me

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1.00/5 (3 votes)

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C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace bryanoverload
{
    class Arithmetics
    {

        int sum;
        public int Sum
        {
            get { return sum; }
            set { sum = value; }
        }

        decimal difference;
        public decimal Difference
        {
            get { return difference; }
            set { difference = value; }
        }
       
        double product;
        public double Product
        {
            get { return product; }
            set { product = value; }
        }
        
        float qoutient;
        public float Qoutient
        {
            get { return qoutient; }
            set { qoutient = value; }
        }

        int num1;
        public int Num1
        {
            get { return num1; }
            set { num1 = value; }
        }

        int num2;
        public int Num2
        {
            get { return num2; }
            set { num2 = value; }
        }
        
        
        public void Arithmethic()
        {

            Console.Write("Enter the first number:");
            num1 = int.Parse(Console.ReadLine());
            Console.Write("Enter the second number:");
            num2 = int.Parse(Console.ReadLine());        
        }

        public void Compute(int ans, int number1, int number2)
        {

            ans = number1 + number2;
            Console.WriteLine("The sum of the two numbers is: ");
        }

        public void Compute(decimal ans, int number1, int number2)
        {
            ans = number1 - number2;
            Console.WriteLine("The difference of the two numbers is: ");
        }

        public void Compute(double ans, int number1, int number2)
        {

            ans = number1 * number2;
            Console.WriteLine("The product of the two numbers is: ");
        }

        public void Compute(float ans, int number1, int number2)
        {

            ans = number1 / number2;
            Console.WriteLine("The qoutient of the two numbers is: ");
        }
           
    }
}

Posted 11-Aug-13 15:06pm

borlon

Updated 11-Aug-13 15:16pm

berrymaria

v3

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Ron Beyer · Answer 1 · 2013-08-11T15:37:00

In your program.cs file you would do something like:

C#

Arithmetics arith = new Arithmetics();

arith.Arithmetic();

But in your arithmetic class you have some problems, namely that the functions never really return anything. In order to do it with the parameter in the prototype like you have, you have to declare them with the "out" keyword, like:

C#

public void Compute(out float ans, int number1, int number2)

But the best way to do it is to return the value from the function rather than use it in the prototype, like this:

C#

public float Compute(int number1, int number2)
{
   float ans = 0.0f;
   //... Compute here, assigning it to ans
   return ans;
}

You also want to use more descriptive names instead of "compute", like add/subract, etc. That way you can use the same prototype for each one and not have the type in the parameter list.