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I did. I mentioned that I gave it an empty set as a value. Before, I had just declared it with the rest of my instance variables. It still gave the same results, null.

This is what printed:

pData=
Exception in thread "AWT-EventQueue-0" java.util.IllegalFormatConversionException: f != java.lang.String
at...

I deleted the line System.out.println(pData); that printed the "nu" value. I gave pData a empty set value initially, ran the code from post #9, and I got the following error:

Exception in thread...

nu printed out

Obviously nothing. I think the compiler is having a problem with the format specifiers that I used on prtData. It is still saying nu.

1914

Now if I take the attempt to format out of the code I...

The String variable pData is "supposed" to contain the formatted Strings. This is the variable I appended to my StringBuilder.



prtData = printArray();
pData = String.format("%8.2f%n", pData);...

After inputting my values for the array, I hit my button and it produces this output in the TextArea:

***************************************************
Raw Tutoring Earnings Data

nu
...

I'm not per say getting an error message but it is showing nu in the TextArea where the format contents supposed to appear. Here are the changes I tried :



private void...

Once I append the results of the loop to the variable, its like I can't format it. I tried using String.format() with prtData being my String that I am trying to format. prtData contains the contents...

I created a method to iterate through my array and collect all the values. I then appended the results to a String variable. When I append the variable to the TextArea, it shows all the values in one...