Library Puzzlers - Java Puzzlers: Traps, Pitfalls, and Corner Cases - page 176

In summary, each major release of the Java platform has a few new "hidden treasures" in the
libraries. All four parts of this puzzle relied on such treasures. Each time a new release of the
platform comes out, you should study the new features and enhancements page so you don't miss
out on any of the goodies that the release has to offer [ Features-1.4 , Features-5.0 ]. Knowing what's
in the libraries can save you lots of time and effort and can enhance the speed and quality of
your programs.
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