In a UML activity diagram, a(n) symbol joins two flows of activity into one flow of activity.

The ____ topology is a continuous path for data with no logical beginning or ending point.

A. hypercube B. grid C. star D. ring

This method should assign a random decimal number (in the range 0 to Int32.Max- Value) to decimal decNumber. Find the error(s) in the following code.

 void RandomDecimal()
 {
 decimal decNumber;
 Random objRandom = new Random();

 decNumber = objRandom.NextDouble();
 lblDisplay.Text = Convert.ToString( decNumber );

 } // end method RandomDecimal