//C# Herhalingen met For ... Next Basisstructuren van Algoritmes
public class ForNextExample1 {
    void Main() {
        int value;
        Console.WriteLine(value);
        Console.ReadLine();
    }
}
public class ForNextWithStartValueOtherThan1Example {
    void Main() {
        int value;
        Console.WriteLine(value);
        Console.ReadLine();
    }
}
public class ForNextWithStepValueExample {
    void Main() {
        int value;
        Console.WriteLine(value);
        Console.ReadLine();
    }
}
public class ForNextWithNegativeStepValueExample {
    void Main() {
        int value;
        Console.WriteLine(value);
        Console.ReadLine();
    }
}
public class ForNextExample2 {
    void Main() {
        int countValue;
        int startValue = 1;
        int endValue = 10;
        int stepValue = 2;
        Console.WriteLine("values during iteration :");
        Console.WriteLine(("count value : " + countValue));
        countValue = (countValue + 1);
        startValue = (startValue + 1);
        endValue = (endValue + 1);
        stepValue = (stepValue + 1);
        Console.WriteLine("values after iteration :");
        Console.WriteLine(("count value : " + countValue));
        Console.WriteLine(("start value : " + startValue));
        Console.WriteLine(("end value   : " + endValue));
        Console.WriteLine(("step value  : " + stepValue));
        Console.ReadLine();
    }
}
public class ForNextExercise1 {
    void Main() {
        Console.WriteLine("Value ?");
        int value = Console.ReadLine();
        int factorial = value;
        int factor = (value - 1);
        factorial = (factorial * factor);
        Console.WriteLine(((value + "! = ") 
                        + factorial));
        Console.ReadLine();
    }
}
public class ForNextExercise2 {
    void Main() {
        int hours;
        int minutes;
        int seconds;
        string timeLabel;
        timeLabel = "";
        if ((hours < 10)) {
            timeLabel = "0";
        }
        timeLabel = ((timeLabel + hours) 
                    + "h");
        if ((minutes < 10)) {
            timeLabel = (timeLabel + "0");
        }
        timeLabel = ((timeLabel + minutes) 
                    + "m");
        if ((seconds < 10)) {
            timeLabel = (timeLabel + "0");
        }
        timeLabel = ((timeLabel + seconds) 
                    + "s");
        Console.WriteLine(timeLabel);
        Console.ReadLine();
    }
}
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