xzel23 commented on PR #582:
URL: https://github.com/apache/poi/pull/582#issuecomment-1925449684

   This demonstrates the problem:
   ```
   jshell> "𠜎𠜱𠝹𠱓𠱸𠲖𠳏!".toCharArray()
   $8 ==> char[15] { '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', 
'?', '?', '?', '!' }
   
   jshell> "𠜎𠜱𠝹𠱓𠱸𠲖𠳏!".codePoints().toArray()
   $9 ==> int[8] { 132878, 132913, 132985, 134227, 134264, 134294, 134351, 33 }
   ```
   Iterating over characters as you do will create a stream consisting of 15 
Strings whereas the correct result should have only 8.


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