IO_hecksds_worksheet







Lab: Experimenting with Input/Output



3.3. What was the first error generated by the compiler?
	 Rooter.java:14: cannot find symbol
	 symbol  : class PrintWriter
	 location: class Rooter
       		PrintWriter     screen;



3.4. What line did you need to add?
	import java.io.*;



3.6. What was the first error generated by the compiler this time?
	Rooter.java:15: cannot find symbol
	symbol  : class Scanner
	location: class Rooter
       		Scanner         keyboard;



3.7.  Fix this error.  What line did you need to add?
	import java.util.*;




4.4. Why was no output generated?
	Because the file is not getting flushed.



4.5. Fix this mistake.  What line did you add?
	screen   = new PrintWriter(System.out,true);



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?
	Control C or Ctrl z



5.4. What output was generated?
	Date : 22 January 2007
	Birthday: Sir Francis Bacon
	Birthday: George Foreman
				

          


5.6. What happened and why?
	The system can not find the files specified. Because the file anniversarys does not exist

          

5.8 What changes did you need to make?

          

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?