Chapter 5 T/F Review - Computer Programming

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The while loop is always the best choice in situations where the exact number of iterations is known.

False

In a for loop, the control variable is always incremented.

False

The for loop is a posttest loop that has built-in expressions for initializing, testing, and updating.

False

When the break statement is encountered in a loop, all the statements in the body of the loop that appear after it are ignored, and the loop prepares for the next iteration.

False

The do-while loop is ideal in situations where you always want the loop to iterate at least once.

True

When you pass the name of a file to the PrintWriter constructor and the file already exists, it will be erased and a new empty file with the same name will be created.

True

You can use the PrintWriter class to open a file and write data to it.

True

When the continue statement is encountered in a loop, all the statements in the body of the loop that appear after it are ignored, and the loop prepares for the next iteration.

True

When you open a file with the PrintWriter class, the class can potentially throw an IOException.

True

A file must always be opened before using it and closed when the program is finished using it.

True


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