Convert a string to Integer in C# without library function

Happy Hyena answered on February 22, 2022 Popularity 6/10 Helpfulness 1/10

answer Convert a string to Integer in C# without library function

related Convert a string to Integer in C# without library function

Convert a string to Integer in C# without library function

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public static void Main() {
    string str = Console.ReadLine();
    int j = 0;
    int myNumber = 0;
    string strReverse =String.Empty;

    //Reverse the string
    foreach (char temp in str)
    {
        strReverse = temp + strReverse;
    }

    foreach (char temp in strReverse)
    {
        int i = temp - 48; //Ascii character
        myNumber = myNumber + i * myPower(10,j);
        j++;
    }
    Console.WriteLine(myNumber);
    Console.ReadLine();
}


public static int myPower(int i, int j)
{
    int final = 1;
    for (int loop =0 ; loop < j; loop++)
        final = final  * i;
    return final;
}

Popularity 6/10 Helpfulness 1/10 Language csharp

Source: www.codeproject.com

Tags: c# function integer string using

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Contributed on Feb 22 2022

Happy Hyena

0 Answers Avg Quality 2/10

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Convert a string to Integer in C# without library function

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public static int StringToInteger(string strInt)
{            
            bool isNeg = strInt[0]=='-';
            int i = 0, J = isNeg?1:0;
            for (; J < strInt.Length; J++)
            {
                int a = (strInt[J] - 48);
                if (a > 9)
                    throw new InvalidCastException("Not a valid number");
                i = i*10 + a;
            }            
            return i*( isNeg?-1:1);
}

Popularity 1/10 Helpfulness 1/10 Language csharp

Source: Grepper

Tags: c# function integer string

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Contributed on May 17 2022

sunil kumar

0 Answers Avg Quality 2/10

Convert a string to Integer in C# without library function

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Convert a string to Integer in C# without library function

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Convert a string to Integer in C# without library function

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