With FileWriter use the write() method to write characters to the file. There are several write() methods with different parameters inherited from Writer and OutputStreamWriter. The example program uses a method that writes characters from a string:

To output numerical results as characters use string concatenation:

This constructs a new string by converting the data in answer into characters and concatenating them to characters from the literal. It then writes the resulting string to the disk file.

Question 10:
Does the disk file contain int data?