% java ReadIntFromConsole
Enter a valid Integer and hit <ENTER>: 02141994
You entered a valid Integer: 2141994


% java ReadIntFromConsole
Enter a valid Integer and hit <ENTER>: 15.3
You did not enter a valid Integer: 15.3


% java ReadIntFromConsole
Enter a valid Integer and hit <ENTER>: This is a String test.
You did not enter a valid Integer: This is a String test.