1. Prompt the user to enter 3 words and store them each in their own variable (using the Scanner class). Given these 3 words, perform the following operations. and solve this in java
   1. Print out all of these words concatenated together as a single word in both upper and lowercase letters.
   2. Print out the length of each word individually.
   3. Print out the sum of the length of all 3 words.
   4. Take the first character from each word, concatenate them together to make a new word, and print out the result.
   5. Take the last character from each word, concatenate them together to make a new word, and print out the result