Four Different Ways to Write a Java Application with More than One Class

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Four Different Ways to Write a Java Application
with More than One Class

• Write classes separately, but saved in the same
  directory
• Write classes in the same file/program. The
  access modifier for supporting class is not
  allowed (see example in the next slide)
• Write the class(es) using package access
• Write the supporting class(es) as inner/nested
  class(es). The access modifier for supporting
  class is not allowed (see example in the next
  slide)

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