Name Sort

Write a java program that does the following:
1. Ask a user for up to 25 last names and the associated first names.
2. Print out the names entered: Last, First
3. Print out the names sorted alphabetically: Last then first.
4. Print out the names sorted reverse alphabetically from high to low (Z down to A).
5. Print out the names sorted alphabetically in all UPPER case.
6. Print out the names sorted alphabetically in all LOWER case.
Extra Credit:
7. Print out the names sorted alphabetically with initial capital letters.

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