pls need help on coding this for Java

2. Spelling Checker Implement a spelling checker by using a hash table. create a dictionary of correctly spelled words. You can read the words from a file. Then write a driver program that prompts you to type a word and checks for misspelled words. If the word is spelled correctly it should output "no mistakes found". For misspelled words it should list any words in the dictionary that are obtainable by applying any of the following rules: a. Add one character to the beginning b. Add one character to the end