Tell
java compiler whats coming
where you get to make up names (identifiers)
just prepare for action - dont do anything
classes
(line 18, whole file)
fields
(instance variables) (lines 22-25)
constructor (line 37)
methods
(51, 63, 74, 85, 97, 110, 117, 132, 158)
local
variables (lines 99, 160, 161)
parameters
for methods (lines 51, 74, 85)