Practice with string and loop

StringParser.java 3.2KB

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  1. /**
  2. * An introduction to Strings and String methods.
  3. *
  4. * @author Wilhem Alcivar
  5. */
  6. public class StringParser
  7. {
  8. /**
  9. * Takes a String and returns that String with all characters uppercased.
  10. * E.G. cat would become CAT. dOnUt would become DONUT.
  11. *
  12. * @param s
  13. * @return String
  14. */
  15. public static String upperCaseString(String s)
  16. {
  17. return null;
  18. }
  19. /**
  20. * Takes a String and returns that String with all characters lowercased.
  21. * E.G. MOUSE would become mouse. dOnUt would become donut.
  22. *
  23. * @param s
  24. * @return String
  25. */
  26. public static String lowerCaseString(String s) {
  27. return null;
  28. }
  29. /**
  30. * Takes a String and returns the first character of that string.
  31. * E.G. cat would return c. Embark would return E.
  32. *
  33. * @param s
  34. * @return String
  35. */
  36. public static Character getFirstCharacter(String s) {
  37. return null;
  38. }
  39. /**
  40. * Takes a String and returns the character at index n of that string.
  41. * E.G. cat, 2 would return t. Embark, 4 would return r.
  42. *
  43. * @param s
  44. * @param n
  45. * @return String
  46. */
  47. public static Character getNthCharacter(String s, Integer n) {
  48. return null;
  49. }
  50. /**
  51. * Takes a String and returns that string with the first character uppercased.
  52. * E.G. cat would return Cat. cofFee would return CofFee.
  53. *
  54. * @param s
  55. * @return String
  56. */
  57. public static String upperCaseFirstCharacter(String s) {
  58. return null;
  59. }
  60. /**
  61. * Takes a String and returns that string with the first character of each word in it uppercased
  62. * and then joined.
  63. * E.G. dog whistle would return DogWhistle. adjuNCT pRoFessOR would return AdjuctProfessor.
  64. *
  65. * @param s
  66. * @return String
  67. */
  68. public static String camelCaseString(String s) {
  69. return null;
  70. }
  71. /**
  72. * Takes a String and returns that string with each character lowercased
  73. * and then joined with an underscore
  74. * E.G. dog whistle would return dog_whistle. adjuNCT pRoFessOR would return adjuct_professor.
  75. *
  76. * @param s
  77. * @return String
  78. */
  79. public static String snakeCaseString(String s) {
  80. return null;
  81. }
  82. /**
  83. * Takes a String and returns the length of that string
  84. * E.G. cat would return 3. extra would return 5.
  85. *
  86. * @param s
  87. * @return String
  88. */
  89. public static Integer getLength(String s) {
  90. return null;
  91. }
  92. /**
  93. * Takes in two strings and returns true if they are equal
  94. * E.G. example and shelf would return false.
  95. * cat and CaT would return false.
  96. * Dog and Dog would return true
  97. *
  98. * @param s1
  99. * @param s2
  100. * @return String
  101. */
  102. public static Boolean isEqual(String s1, String s2) {
  103. return null;
  104. }
  105. /**
  106. * Takes in two strings and returns true if they are equal
  107. * E.G. example and shelf would return false.
  108. * cat and CaT would return true.
  109. * Dog and Dog would return true
  110. *
  111. * @param s1
  112. * @param s2
  113. * @return String
  114. */
  115. public static Boolean isEqualIgnoreCase(String s1, String s2) {
  116. return null;
  117. }
  118. }