Java Programming

In this part of the question, you will construct an index that will stores the list of files where a word appears. While traversing files and directories, your program will find words appearing in each file and store them into a dictionary that stores key/value pairs. The key will the word and values will be the list of files where that Word appear. While reading a file to find the words that appear in that file, skip the all numbers and punctuation characters like $,/+*/? etc. Convert each word into lowercase before storing in the dictionary. After indexing files in a dictionary, your program should list words and files where that word appears. Your program should also list files that contain a given search word