View Compilation Error

0_0_39392728_16142.cpp:5:9: error: expected '}' at end of input
    5 | private:
      |         ^
0_0_39392728_16142.cpp:4:19: note: to match this '{'
    4 | class WordCounter {
      |                   ^
0_0_39392728_16142.cpp:5:9: error: expected unqualified-id at end of input
    5 | private:
      |         ^