How do I write a code in Java which allows the user to input words and the app says which is the longest? [on hold]

How do I write a code in Java which allows the user to input words and the
app says which is the longest? [on hold]

I need to write a code that asks the user how many words the user wants
and then the user types what those words are. The program will then
display all the words and then separately display the longest word.