Here is a script of I/O with Bart Simpson,

Script started on Thu Jun 11 11:15:16 2009
prompt >> java Scanner1
Please enter your FIRST name:  bart
Please enter your FAMILY name:  simpson
Please enter your age as an integer:  12
Please enter your GPA as a double:  2.2
bart simpson is 12 years old
bart's GPA is 2.200000
prompt >> exit