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Jun 22nd, 2018
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  1. public class WeekdayName {
  2.  
  3. public static String weekday_name(int weekday) {
  4. String result = "";
  5.  
  6. if ( weekday == 1 ) {
  7. result = "Sunday";
  8. } else if ( weekday == 2 ) {
  9. result = "Monday";
  10. } else if ( weekday == 3 ) {
  11. result = "Tuesday";
  12. } else if ( weekday == 4 ) {
  13. result = "Wednesday";
  14. } else if ( weekday == 5 ) {
  15. result = "Thursday";
  16. } else if ( weekday == 6 ) {
  17. result = "Friday";
  18. } else if ( weekday == 7 ) {
  19. result = "Saturday";
  20. } else if ( weekday == 0 ) {
  21. result = "Sunday";
  22. } else {
  23. result = "ERROR";
  24. }
  25. return result;
  26. }
  27.  
  28. public static void main( String[] args ) {
  29.  
  30. System.out.println( "Weekday 1: " + weekday_name(1) );
  31. System.out.println( "Weekday 2: " + weekday_name(2) );
  32. System.out.println( "Weekday 3: " + weekday_name(3) );
  33. System.out.println( "Weekday 4: " + weekday_name(4) );
  34. System.out.println( "Weekday 5: " + weekday_name(5) );
  35. System.out.println( "Weekday 6: " + weekday_name(6) );
  36. System.out.println( "Weekday 7: " + weekday_name(7) );
  37. System.out.println( "Weekday 0: " + weekday_name(0) );
  38. System.out.println();
  39. System.out.println( "Weekday 43: " + weekday_name(43) );
  40. System.out.println( "Weekday 17: " + weekday_name(17) );
  41. System.out.println( "Weekday -1: " + weekday_name(-1) );
  42.  
  43. Calender calender = new GregorianCalender();
  44. int dayofWeek = calender.get(Calender.DAY_OF_WEEK);
  45.  
  46. System.out.println( "nToday is a " + weekday_name(dayofWeek) + "!" );
  47. }
  48.  
  49. }
  50.  
  51. import java.util.GregorianCalendar;
  52. import java.util.Calendar;
  53.  
  54. public class WeekdayName {
  55. public static String weekday_name(int weekday) {
  56. String result = "";
  57.  
  58. if (weekday == 1) {
  59. result = "Sunday";
  60. } else if (weekday == 2) {
  61. result = "Monday";
  62. } else if (weekday == 3) {
  63. result = "Tuesday";
  64. } else if (weekday == 4) {
  65. result = "Wednesday";
  66. } else if (weekday == 5) {
  67. result = "Thursday";
  68. } else if (weekday == 6) {
  69. result = "Friday";
  70. } else if (weekday == 7) {
  71. result = "Saturday";
  72. } else if (weekday == 0) {
  73. result = "Sunday";
  74. } else {
  75. result = "ERROR";
  76. }
  77. return result;
  78. }
  79.  
  80. public static void main(String[] args) {
  81. System.out.println("Weekday 1: " + weekday_name(1));
  82. System.out.println("Weekday 2: " + weekday_name(2));
  83. System.out.println("Weekday 3: " + weekday_name(3));
  84. System.out.println("Weekday 4: " + weekday_name(4));
  85. System.out.println("Weekday 5: " + weekday_name(5));
  86. System.out.println("Weekday 6: " + weekday_name(6));
  87. System.out.println("Weekday 7: " + weekday_name(7));
  88. System.out.println("Weekday 0: " + weekday_name(0));
  89. System.out.println();
  90. System.out.println("Weekday 43: " + weekday_name(43));
  91. System.out.println("Weekday 17: " + weekday_name(17));
  92. System.out.println("Weekday -1: " + weekday_name(-1));
  93.  
  94. Calendar calender = new GregorianCalendar();
  95. int dayofWeek = calender.get(Calendar.DAY_OF_WEEK);
  96.  
  97. System.out.println("nToday is a " + weekday_name(dayofWeek) + "!");
  98. }
  99. }
  100.  
  101. Weekday 1: Sunday
  102. Weekday 2: Monday
  103. Weekday 3: Tuesday
  104. Weekday 4: Wednesday
  105. Weekday 5: Thursday
  106. Weekday 6: Friday
  107. Weekday 7: Saturday
  108. Weekday 0: Sunday
  109.  
  110. Weekday 43: ERROR
  111. Weekday 17: ERROR
  112. Weekday -1: ERROR
  113.  
  114. Today is a Saturday!
  115.  
  116. Weekday 1: Sunday
  117. Weekday 2: Monday
  118. Weekday 3: Tuesday
  119. Weekday 4: Wednesday
  120. Weekday 5: Thursday
  121. Weekday 6: Friday
  122. Weekday 7: Saturday
  123. Weekday 0: Sunday
  124.  
  125. Weekday 43: ERROR
  126. Weekday 17: ERROR
  127. Weekday -1: ERROR
  128.  
  129. Today is a Saturday!
  130.  
  131. public static String weekday_name( int weekday )
  132. {
  133. switch (weekday) {
  134. case 1: return "Sunday";
  135. case 2: return "Monday";
  136. case 3: return "Tuesday";
  137. case 4: return "Wednesday";
  138. case 5: return "Thursday";
  139. case 6: return "Friday";
  140. case 7: return "Saturday";
  141. case 0: return "Sunday";
  142. default: return "ERROR";
  143. }
  144. }
  145.  
  146. Calender calender = new GregorianCalender();
  147. int dayofWeek = calender.get(Calender.DAY_OF_WEEK);
  148.  
  149. Calendar calender = new GregorianCalendar();
  150. int dayofWeek = calender.get(Calendar.DAY_OF_WEEK);
  151.  
  152. import java.util.Calendar;
  153. import java.util.GregorianCalendar;
  154.  
  155. public class WeekdayNAme
  156. {
  157. public static String weekday_name( int weekday )
  158. {
  159. String result = "";
  160.  
  161. if ( weekday == 1 )
  162. {
  163. result = "Sunday";
  164. }
  165. else if ( weekday == 2 )
  166. {
  167. result = "Monday";
  168. }
  169. else if ( weekday == 3 )
  170. {
  171. result = "Tuesday";
  172. }
  173. else if ( weekday == 4 )
  174. {
  175. result = "Wednesday";
  176. }
  177.  
  178. else if ( weekday == 5 )
  179. {
  180. result = "Thursday";
  181. }
  182. else if ( weekday == 6 )
  183. {
  184. result = "Friday";
  185. }
  186.  
  187. else if ( weekday == 7 )
  188. {
  189. result = "Saturday";
  190. }
  191. else if ( weekday == 0 )
  192. {
  193. result = "Sunday";
  194. }
  195. else
  196. {
  197. result = "ERROR";
  198. }
  199. return result;
  200. }
  201.  
  202.  
  203. public static void main( String[] args )
  204. {
  205. System.out.println( "Weekday 1: " + weekday_name(1) );
  206. System.out.println( "Weekday 2: " + weekday_name(2) );
  207. System.out.println( "Weekday 3: " + weekday_name(3) );
  208. System.out.println( "Weekday 4: " + weekday_name(4) );
  209. System.out.println( "Weekday 5: " + weekday_name(5) );
  210. System.out.println( "Weekday 6: " + weekday_name(6) );
  211. System.out.println( "Weekday 7: " + weekday_name(7) );
  212. System.out.println( "Weekday 0: " + weekday_name(0) );
  213. System.out.println();
  214. System.out.println( "Weekday 43: " + weekday_name(43) );
  215. System.out.println( "Weekday 17: " + weekday_name(17) );
  216. System.out.println( "Weekday -1: " + weekday_name(-1) );
  217.  
  218. Calendar calender = new GregorianCalendar();
  219. int dayofWeek = calender.get(Calendar.DAY_OF_WEEK);
  220.  
  221. System.out.println( "nToday is a " + weekday_name(dayofWeek) + "!" );
  222. }
  223.  
  224. }
  225.  
  226. Weekday 1: Sunday
  227. Weekday 2: Monday
  228. Weekday 3: Tuesday
  229. Weekday 4: Wednesday
  230. Weekday 5: Thursday
  231. Weekday 6: Friday
  232. Weekday 7: Saturday
  233. Weekday 0: Sunday
  234.  
  235. Weekday 43: ERROR
  236. Weekday 17: ERROR
  237. Weekday -1: ERROR
  238.  
  239. Today is a Saturday!
  240.  
  241. private enum WeekDay {
  242. SUNDAY,
  243. MONDAY,
  244. TUESDAY,
  245. WEDNESDAY,
  246. THURSDAY,
  247. FRIDAY,
  248. SATURDAY;
  249.  
  250. static WeekDay fromDayNumber(int dayNumber) {
  251. return WeekDay.values()[dayNumber -1];
  252. }
  253. }
  254.  
  255. System.out.println( "nToday is a " + WeekDay.fromDayNumber(dayofWeek) + "!" );
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