Practicing Methods

The code contains a struct called Cypher which basically represents a kind of Caesar cipher.

Read the code and fill in the blanks to make sure it works properly. The following is how the final program is supposed to be:

setText method converts the passed text into encoded text and stores it into the field text. This method takes one stringargument calledtext`, and the method does not return any value;
rawText returns the text field content. This method takes no arguments;
decodedText decodes the text field content and returns the result. This method also doesn't take any arguments.

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using System;

struct Cypher
{
    public string text;

    ___
    {
        string encodedText = "";

        foreach(char chr in text)
            encodedText += (char) (chr + 7);

        ___ = encodedText;
    }

    public string rawText()
    {
        ___
    }

    ___
    {
        string decodedText = "";

        foreach (char chr in this.text)
            decodedText += (char)(chr - 7);

        ___
    }
}

class ConsoleApp
{
    static void Main(string[] args)
    {
        Cypher text1 = new Cypher();

        text1.setText("This is an example sentence.");

        Console.WriteLine(text1.rawText());
        Console.WriteLine(text1.decodedText());
    }
}

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Seção 2. Capítulo 7