IO_gerharjm_worksheet







Lab: Experimenting with Input/Output



3.3. What was the first error generated by the compiler?

The first error was an error involving a Scanner invocation without having called java.util



3.4. What line did you need to add?

import java.util.*;



3.6. What was the first error generated by the compiler this time?

This error was caused by a call to PrintWriter.  java.io was not added yet.



3.7.  Fix this error.  What line did you need to add?

import java.io.*;



4.4. Why was no output generated?

The stream sent to the screen was not flushed.



4.5. Fix this mistake.  What line did you add?

screen.flush();



4.6. What do you need to type in the terminal window (as a response to
the prompt) in order to make this application terminate normally?

ctrl-z



5.4. What output was generated?
          
Simply today's date.



5.6. What happened and why?

There is no file named anniversarys.txt to be read from and so just today's dat is printed.

          

5.8 What changes did you need to make?

None, as import java.io.* has already been called in.

          

5.10. What changes did you need to make?





5.12. What changes did you need to make?


          
5.14. What output was generated?

          

6.2. What changes did you need to make?


          
6.4. What output was generated?