Java get month string from integer

Question

Is there a better way to compact this method i e  reduce the cyclomatic complexity by avoid the switch cases   String monthString          switch  month                case 1   monthString    January         break              case 2   monthString    February        break              case 3   monthString    March           break              case 4   monthString    April           break              case 5   monthString    May             break              case 6   monthString    June            break              case 7   monthString    July            break              case 8   monthString    August          break              case 9   monthString    September       break              case 10  monthString    October         break              case 11  monthString    November        break              case 12  monthString    December        break              default  monthString    Invalid month   break                    System out println monthString

User · Answer

DateFormatSymbols class provides methods for our ease use  To get short month strings  For example   quot Jan quot    quot Feb quot   etc  getShortMonths    To get month strings  For example   quot January quot    quot February quot   etc  getMonths    Sample code to return month string in mmm format  private static String getShortMonthFromNumber int month       if month lt 0    month gt 11           return  quot  quot             return new DateFormatSymbols   getShortMonths   month

User · Answer

You could have an array of strigs and access by index     String months       January    February    March    April                         May    June    July    August    September                         October    November    December

User · Answer

Take an array containing months name   String   str     January             February       March               April               May                 June                July                August              September           October             November            December      Then where you wanna take month use like follow   if i lt str length      monthString   str i-1   else     monthString    Invalid month

User · Answer

import java time Month   Month exemple   new Month of 12     ---return a Month object with value of December---  String month   exemple toString      ---if you want to convert Month to String---

User · Answer

This has already been mentioned  but here is a way to place the code within a method       public static String getMonthName int monthIndex             return new DateFormatSymbols   getMonths   monthIndex  toString            or if you wanted to create a better error than an ArrayIndexOutOfBoundsException       public static String getMonthName int monthIndex              since this is zero based  11   December         if  monthIndex  lt  0    monthIndex  gt  11                 throw new IllegalArgumentException monthIndex     is not a valid month index                       return new DateFormatSymbols   getMonths   monthIndex  toString

User · Answer

Try   import java text DateFormatSymbols  monthString   new DateFormatSymbols   getMonths   month-1     Alternatively  you could use SimpleDateFormat   import java text SimpleDateFormat  System out println new SimpleDateFormat  MMMM   format date       You ll have to put a date with your month in a Date object to use the second option

User · Answer

Month enum  You could use the Month enum  This enum is defined as part of the new java time framework built into Java 8 and later   int monthNumber   10  Month of monthNumber  name      The output would be      OCTOBER   Localize  Localize to a language beyond English by calling getDisplayName on the same Enum   String output   Month OCTOBER getDisplayName   TextStyle FULL   Locale CANADA FRENCH      output      octobre

[java] Java get month string from integer

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