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Aug 30th, 2015
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  1. List<Integer> list1 = ...
  2. List<Integer> list2 = ...
  3.  
  4. class Pair {
  5. public Pair(final Integer i1, final Integer i2) {
  6. ...
  7. }
  8. }
  9.  
  10. list1.stream()
  11. .flatMap(i1 -> list2.stream()
  12. .map(i2 -> new Pair(i1, i2)))
  13. .collect(Collectors.toList());
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