Exam 3: Processing Data

Some operations can be performed on strings, but not on a control's Text property.

A constant field's value can only be changed by other statements inside the class.

The ____________ method can be used to convert a string to an int.

A symbol used in code for performing calculations is ____________.

In C#, a variable must be assigned a value before it can be used on the right side of an assignment statement.

Which one of the following statements initializes a variable with a double literal?

In C#, an exception handler is written with the ____________ statement.

You cannot assign a numeric value to a control's Text property because only strings can be assigned to the Text property.

When a cast operator is applied to a variable, it changes the contents of a variable.

In code, you move the input focus to a control by calling the ____________ method.

The using System; directive is required for any program that uses the Parse methods.

You cannot assign a double or a decimal value to an int variable because such an assignment could result in ____________.

It is usually best to break a long statement into multiple lines so you can read the code without scrolling the programming editor sideways.

When coding most statements, you can press the ____________ key when you reach an appropriate point to continue the statement on the next line.

____________ ("E" or "e") displays numeric values in scientific notation.

In C#, you must declare a variable in a program before you can use it to store data.

The ____________ property lets you designate a button on a form that will be automatically clicked when the user presses the Esc key.

When an operation is performed on two int values, the result will be a(n) ____________.

If a field is a variable of a numeric data type, it will be initialized to 0 by default if you do not explicitly initialize it with a value.

Inside a method, a variable's declaration statement must appear ____________ any other statements that use the variable.