Assume Infile Is a BufferedReader for a Textfile and That

question 48

Multiple Choice

Assume infile is a BufferedReader for a textfile and that the textfile is empty. What is returned from the message infile.readLine( ) ; ?

• A) 0
• B) null
• C) a special character known as the End-of-file marker (EOF)
• D) none of the above, the message causes a NullPointerException to be thrown
• E) none of the above, the message causes a EndOfFileException to be thrown

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Definitions:

Observations

The act of recording occurrences, behaviors, or phenomena often used as data for scientific research or studies.

Multiple Regression

A mathematical method that establishes the connection between a dependent variable and multiple independent variables through the application of a linear equation to the collected data.

Estimated Form

A representation of a model or function based on estimated parameters or coefficients.

Independent Variables

Variables in an experiment that are manipulated or controlled by the researcher to investigate their effects on dependent variables.