Introduction - If you have any usage issues, please Google them yourself
A text file by the " character" component, " character" was " delimiter" split " the word." Requirements accepted the given file, analyze what their " word" component, and statistics for each " word" of the number of occurrences, the last less to more sorted according to the number of occurrences, the output list " word." // File contains the source code, detailed reports and other problem-solving