The slightly edited output is as follows:

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HashMap of [ word, frequency ] usage
====================================
{ shortest=1,
  fox=1,
  test=1
  letters.=1,
  quick=1,
  sentence=1
  contains=1,
  dog.=1,
  This=1,
  six=1,
  The=1,
  over=1,
  Here=1,
  all=1,
  file.=1,
  is=2,
  jumps=1,
  the=4,
  in=1,
  English=1,
  that=1,
  twenty=1,
  brown=1,
  language=1,
  lazy=1 }

TreeMap of [ word, frequency ] usage
====================================
{ English=1,
  Here=1,
  The=1,
  This=1,
  all=1,
  brown=1,
  contains=1,
  dog.=1,
  file.=1,
  fox=1,
  in=1,
  is=2,
  jumps=1,
  language=1,
  lazy=1,
  letters.=1,
  over=1,
  quick=1,
  sentence=1,
  shortest=1,
  six=1,
  test=1,
  that=1,
  the=4,
  twenty=1 }
====================================
prompt >>