Now look at line 109 the same way you looked at line 14 in the previous error.
Type: Posts; User: Norm
Now look at line 109 the same way you looked at line 14 in the previous error.
There is a variable with a null value when line 14 is executed.
Look at line 14 and find the variable with the null value. Then backtrack in the code to see why that variable does not have a valid,...
Where does the code call any printer methods?
Do you know how to call a method?
http://docs.oracle.com/javase/tutorial/java/javaOO/arguments.html