Lecture 21
17
Call stack
•method                     class       next call on line
–doIt TypeCommand   
–interpret Shell   74
–CLIShell Shell     50
–constructor Shell     41
–interpret LoginInterpreter   89
–CLILogin LoginInterpreter   60
–constructor Juno      66
–main Juno 190
JunoExceptions may be thrown here  
caught in catch (line 79 or 83) after try (lines 73-75)