Welcome to DrJava.  Working directory is /Users/wayne/Workspace/CS112HWs/Fall.11/hw03
> run IntegerCalculator
 [3]
 [5]
 [p]
Stack:
5
3

 [+]
 [p]
Stack:
8

 [2 3 + 5 -]
 [p]
Stack:
0
8

 [*]
 [p]
Stack:
0

 [1 +]
 [p]
Stack:
1

 [*]                   // Note: it does nothing if you try to pop too many operands
 [p]
Stack:
1

 [q]
Bye!