Which One of the Character Testing Methods Would You Use

question 7

Multiple Choice

Which one of the character testing methods would you use to determine that a string contains only letters and numbers?

• A) char.IsLetterOrDigit
• B) char.IsUpper
• C) char.IsPunctuation
• D) char.IsWhiteSpace

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Definitions:

Dependent Variable

In statistical modeling, the variable that is being studied and predicted, and whose variation is assumed to depend on other variables.

Independent Variable

A variable in a scientific experiment that is manipulated or changed to test its effects on the dependent variable.

Coefficient of Correlation

A numerical measure that indicates the strength and direction of a linear relationship between two variables.

Coefficient of Variation

A measure of relative variability computed as the ratio of the standard deviation to the mean, often expressed as a percentage.