Lab 9: Prelab Questions

Write out your answers for these questions on a separate piece of paper.

Written Questions

Question #1: The name of a file is represented by the ____________ data type; a connection to a file is represented by a ____________ data type.

Question #2: The ____________ class is used for a connection to an input file; the ____________ class is used for a connection to an output file.

Question #3: What should a program do immediately after opening a connection to a file?

Question #4: What should a program do when finished using a connection to a file?

Question #5: Learning about file input and output is made easier because it's so similar to what?

Programming Exercises

Suppose that filename is a string containing the name of a file.

Code #1: Write a statement that opens input as a input connection to the file named in filename.

Code #2: Write a statement that opens output as an output connection to the file named in filename.

Code #3: Using assert(), write a statement that tests if input was opened correctly.

Code #4: Write the statement that reads a value from input into i.

Code #5: Write a statement that closes the output connection.