CS 305j - in-class assignment

Write a class that performs some operations on integers, and files containing integers. The class should contain the following methods:

In the main method:
    prompt user for file name
    if file exists and is readable:
       For each integer in the file, display the integer, the number of digits in the integer, and the integer's leading digit (there may be non-integer tokens in the file - ignore/skip them)