Statistics

Problem Statement

Definition

Class:

LetterSet

Method:

compliment

Parameters:

String[]

Returns:

String

Method signature:

String compliment(String[] str)

(be sure your method is public)

Constraints

• str contains between 0 to 50 elements, inclusive.
• Each element of str contains between 1 and 50 characters, inclusive.
• Each element of str contains only the capital letters 'A'-'Z'.

Examples

1. {}

   Returns: "ABCDEFGHIJKLMNOPQRSTUVWXYZ"

2. {"ABCDEFGHIJKLMNOPQRSTUVWXYZ"}

   Returns: ""

3. {"A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z"}

   Returns: ""

4. {"NATURAL", "SPRING", "NATRUAL", "WATER"}

   Returns: "BCDFHJKMOQVXYZ"

5. {"E", "EE", "EEEE", "EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE"}

   Returns: "ABCDFGHIJKLMNOPQRSTUVWXYZ"

6. {"LIKE", "GETCHAR", "AND", "PUTCHAR", "GETC", "AND", "PUTC", "ARE", "MACROS", "DEFINED", "IN", "STDIOH"}

   Returns: "BJQVWXYZ"

7. {"PURITY", "GUARANTEED", "NON", "CARBONATED", "PURIFIED", "DRINKING", "WATER"}

   Returns: "HJLMQSVXZ"

8. {"TOURNEE", "DU", "CHAT", "NOIR", "DE", "RODOLPTTE", "SALIS"}

   Returns: "BFGJKMQVWXYZ"

9. {"PAPIER", "A", "CIGARETTES", "JOB", "HORS", "CONCOURS", "PARIS"}

   Returns: "DFKLMQVWXYZ"

10. {"LEARN", "UNIX", "IN", "TEN", "MINUTES"}

    Returns: "BCDFGHJKOPQVWYZ"

11. {"ENJOY", "THE", "CRISP", "REFRESHING", "TASTE", "OF", "WATER"}

    Returns: "BDKLMQUVXZ"

12. {"THE", "QUICK", "BROWN", "FOX", "JUMPED", "OVER", "THE", "LAZY", "DOG", "THE", "LAZY", "DOG", "DIED"}

    Returns: "S"

13. {"STYLE", "UNLIKE", "ANY", "OTHER"}

    Returns: "BCDFGJMPQVWXZ"

14. {"S"}

    Returns: "ABCDEFGHIJKLMNOPQRTUVWXYZ"

15. {"S", "A", "T", "U", "R", "N", "J", "U", "P", "I", "T", "E", "R", "A", "N", "D", "C", "O", "M", "P", "A", "N", "Y", "A", "T", "S", "A", "T", "U", "R", "N", "J", "U", "P", "I", "T", "E", "R", "A", "N", "D", "C", "O", "M", "P", "A", "N", "Y", "A", "T"}

    Returns: "BFGHKLQVWXZ"

16. {"A", "A", "A", "A", "A", "A", "A", "A", "A", "A", "A"}

    Returns: "BCDEFGHIJKLMNOPQRSTUVWXYZ"

17. {"BCDEFGHIKLMNOPQRSTUWXYZ"}

    Returns: "AJV"

18. {}

    Returns: "ABCDEFGHIJKLMNOPQRSTUVWXYZ"

19. {"X", "XYZ"}

    Returns: "ABCDEFGHIJKLMNOPQRSTUVW"

20. {"ABX", "ABXY", "A"}

    Returns: "CDEFGHIJKLMNOPQRSTUVWZ"

21. {"CD"}

    Returns: "ABEFGHIJKLMNOPQRSTUVWXYZ"

22. {"BLAA", "GLAASS", "WELL", "ZXCD", "WWLP", "WMNE", "PTRYEM", "BGHT"}

    Returns: "FIJKOQUV"

23. {"A"}

    Returns: "BCDEFGHIJKLMNOPQRSTUVWXYZ"

24. {"ACE", "LACE"}

    Returns: "BDFGHIJKMNOPQRSTUVWXYZ"

25. {"X", "XYZ"}

    Returns: "ABCDEFGHIJKLMNOPQRSTUVW"