程序问题4!

class A
{
    private double c;
    private string value;
    public double C
    {
        get{
            return c;
        }

    }
        public A(double c)
        {
            this.c = c;
        }
        public A(A value)
        {
            if (this != value)
            {
                c = value.C;
            }
        }
        public string ValueString()
        {
            return string.Format("C={0}", this.c);
        }
    }
class Test
{
    public static void Main()
    {
        A a=new A(37.5);
        Console.WriteLine(a.ValueString());
    }
}

谁能把每一条程序解释一般O(∩_∩)O谢谢大虾们啊，在顺便解释整个程序，3Q！

Private Sub Form_Activate()    Dim i As Integer, j As Integer, s As String    For i = 1 To 7 Step 2    For j = 1 To i    s = s & j & Space(2)    Next    Print s: s = ""    NextEnd Sub'-----------------------------'还是这样的？Private Sub Form_Activate()    Dim i As Integer, j As Integer, s As String    For i = 1 To 7 Step 2    For j = 1 To 8 - i    s = s & j & Space(2)    Next    Print s: s = ""    NextEnd Sub
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