Answers to Self-Review Exercise
a) static import on demand.
b) format.
c) shadows.
d) public services, public interface.
e) single-type-import.
f) default constructor.
g) toString.
h) accessor methods, query methods.
i) predicate.
j) values.
k) has-a.
l) enum.
m) static.
n) single static import.
o) principle of least privilege.
p) final.
q) type-import-on-demand.
r) mutator methods.
s) BigDecimal.
t) throw.
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