When keeping a running total, the accumulator variable can start with any value and still contain the correct total when the loop finishes.

Variables of the double data type are commonly used as flags.

C# does not allow operations that mix the decimal and double data types unless you use a cast operator to explicitly convert one of the operands.

If all statements in a try block execute with no exception, the catch block is skipped.

RadioButton controls are grouped according to the container in which they are placed.

A well-designed program should validate the contents of multiple TextBoxes in a single statement.

Check boxes are similar to radio buttons in that they are both mutually exclusive.

The only way to run a program in Visual Studio is to click the Start Debugging button on the toolbar.

When you use the Properties window to change a control’s Visible property at design time, the control will become invisible in the Designer.

It is important that you do not modify the contents of the Form1.cs file because doing so will prevent the application from executing.