Knowledge check

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Check your knowledge

1.

Which of the following variable names should or must be avoided?

$DATA

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2.

What is the problem with this line of code: var message;

var isn't a data type.

Use of var keyword without initializing the variable.

A variable named message should always be a string.

3.

Which of the following is the output of Console.WriteLine(34.40M);?

34.40M

34.4

34.40

4.

Which of the following lines of code creates a variable correctly?

int x = 12.3 m;

decimal x = 12.3 m;

bool x = 'False';

You must answer all questions before checking your work.