Using a Object []

  a
  b
  c
  d

Using a Map

  this is from a hashtable!
  this is from a hashtable too!

Using a Collection

  string1
  string2

Using an Iterator

  string1 
  string2 


Using an Enumeration

  string1
  string2


Using an array of primitives

  10
  20
  30
  40
  50