Is there a method for String conversion to Title Case

Question

Are there any built in methods available to convert a string into Title Case format

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Using Spring s StringUtils   org springframework util StringUtils capitalize someText     If you re already using Spring anyway  this avoids bringing in another framework

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I recently ran into this problem too and unfortunately had many occurences of names beginning with Mc and Mac  I ended up using a version of scottb s code which I changed to handle these prefixes so it s here in case anyone wants to use it    There are still edge cases which this misses but the worst thing that can happen is that a letter will be lower case when it should be capitalized          Get a nicely formatted representation of the name      Don t send this the whole name at once  instead send it the components  lt br gt     For example  andrew macnamara would be returned as  lt br gt     Andrew Macnamara if processed as a single string lt br gt     Andrew MacNamara if processed as 2 strings      param name     return correctly formatted name     public static String getNameTitleCase  String name        final String ACTIONABLE DELIMITERS      -        StringBuilder sb   new StringBuilder        if  name   null  amp  amp   name isEmpty                             boolean capitaliseNext   true          for  char c   name toCharArray                  c    capitaliseNext  Character toUpperCase c  Character toLowerCase c               sb append c               capitaliseNext    ACTIONABLE DELIMITERS indexOf  int  c   gt   0                                            name   sb toString                if  name startsWith  Mc    amp  amp  name length    gt  2                 char c   name charAt 2               if  ACTIONABLE DELIMITERS indexOf  int  c   lt  0                    sb   new StringBuilder                    sb append  name substring 0 2                    sb append  name substring 2 3  toUpperCase                     sb append  name substring 3                    name sb toString                                           else if  name startsWith  Mac    amp  amp  name length    gt  3                char c   name charAt 3               if  ACTIONABLE DELIMITERS indexOf  int  c   lt  0                    sb   new StringBuilder                    sb append  name substring 0 3                    sb append  name substring 3 4  toUpperCase                     sb append  name substring 4                    name sb toString                                      return name

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Apache Commons StringUtils capitalize   or Commons Text WordUtils capitalize    e g  WordUtils capitalize  i am FINE      I Am FINE  from WordUtils doc

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There are no capitalize   or titleCase   methods in Java s String class  You have two choices     using commons lang string utils        StringUtils capitalize null     null  StringUtils capitalize              StringUtils capitalize  cat      Cat   StringUtils capitalize  cAt      CAt   StringUtils capitalize   cat        cat      write  yet another  static helper method toTitleCase     Sample implementation  public static String toTitleCase String input        StringBuilder titleCase   new StringBuilder input length         boolean nextTitleCase   true       for  char c   input toCharArray              if  Character isSpaceChar c                 nextTitleCase   true            else if  nextTitleCase                c   Character toTitleCase c               nextTitleCase   false                     titleCase append c              return titleCase toString        Testcase      System out println toTitleCase  string         System out println toTitleCase  another string         System out println toTitleCase  YET ANOTHER STRING       outputs    String Another String YET ANOTHER STRING

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This converter transform any string containing camel case  white-spaces  digits and other characters to sanitized title case          Convert a string to title case in java  with tests          author Sudipto Chandra     public abstract class TitleCase                   Returns the character type   lt br gt          lt br gt         Digit   2  lt br gt         Lower case alphabet   0  lt br gt         Uppercase case alphabet   1  lt br gt         All else   -1                 param ch         return             private static int getCharType char ch            if  Character isLowerCase ch                 return 0            else if  Character isUpperCase ch                 return 1            else if  Character isDigit ch                 return 2                    return -1                        Converts any given string in camel or snake case to title case          lt br gt         It uses the method getCharType and ignore any character that falls in        negative character type category  It separates two alphabets of not-equal        cases with a space  It accepts numbers and append it to the currently        running group  and puts a space at the end          lt br gt         If the result is empty after the operations  original string is returned                 param text the text to be converted          return a title cased string             public static String titleCase String text            if  text    null    text length      0                return text                     char   str   text toCharArray            StringBuilder sb   new StringBuilder             boolean capRepeated   false          for  int i   0  prev   -1  next  i  lt  str length    i  prev   next                next   getCharType str i                   trace consecutive capital cases             if  prev    1  amp  amp  next    1                    capRepeated   true                else if  next    0                    capRepeated   false                               next is ignorable             if  next    -1                       System out printf  case 0   d  d  s n   prev  next  sb toString                     continue     does not append anything                              prev and next are of same type             if  prev    next                    sb append str i                       System out printf  case 1   d  d  s n   prev  next  sb toString                     continue                               next is not an alphabet             if  next    2                    sb append str i                       System out printf  case 2   d  d  s n   prev  next  sb toString                     continue                               next is an alphabet  prev was not                  next is uppercase and prev was lowercase             if  prev    -1    prev    2    prev    0                    if  sb length      0                        sb append                                         sb append Character toUpperCase str i                        System out printf  case 3   d  d  s n   prev  next  sb toString                     continue                               next is lowercase and prev was uppercase             if  prev    1                    if  capRepeated                        sb insert sb length   - 1                            capRepeated   false                                    sb append str i                       System out printf  case 4   d  d  s n   prev  next  sb toString                                     String output   sb toString   trim            output    output length      0    text   output            return output              Capitalize all words  Optional          String   result   output split               for  int i   0  i  lt  result length    i                result i    result i  charAt 0    result i  substring 1  toLowerCase                      output   String join      result           return output                        Test method for the titleCase   function              public static void testTitleCase             System out println  --------------- Title Case Tests --------------------            String     samples                  null  null                                       a    A                  aa    Aa                  aaa    Aaa                  aC    A C                  AC    Ac                  aCa    A Ca                  ACa    A Ca                  aCamel    A Camel                  anCamel    An Camel                  CamelCase    Camel Case                  camelCase    Camel Case                  snake case    Snake Case                  toCamelCaseString    To Camel Case String                  toCAMELCase    To Camel Case                   under the scoreCamelWith     Under The Score Camel With                  ABDTest    Abd Test                  title123Case    Title123 Case                  expect11    Expect11                  all0verMe3    All0 Ver Me3                                                a      A                   A b c    aa    A B C Aa                   get It132done    Get It132 Done                   122     122                   no112    No112                  Case-13title    Case13 Title                  -no-allow-    No Allow                   paren- -allow--not     Paren Allow Not                  Other Allow --False     Other Allow False                   39 ldl LK3 lk 389 klnsl-32489  3 42034     39 Ldl Lk3 Lk389 Klnsl32489342034                  tHis will BE MY EXAMple    T His Will Be My Exa Mple                  stripEvery damn-paren- - now    Strip Every Damn Paren Now                  getMe    Get Me                  whatSthePoint    What Sthe Point                  n0pe aLoud    N0 Pe A Loud                  canHave SpacesThere    Can Have Spaces There                    why underScore exists      Why Under Score Exists                  small-to-be-seen    Small To Be Seen                  toCAMELCase    To Camel Case                   under the scoreCamelWith     Under The Score Camel With                  last one onTheList    Last One On The List                      int pass   0          for  String   inp   samples                String out   titleCase inp 0                  String out   WordUtils capitalizeFully inp 0                System out printf  TEST   s  nWANTS   s  nFOUND   s  n   inp 0   inp 1   out               boolean passed    out    null   inp 1     null   out equals inp 1                 pass    passed   1   0              System out println passed    -- PASS --        FAIL                   System out println                      System out printf   n d Passed   d Failed  n   pass  samples length - pass              public static void main String   args               run tests         testTitleCase              Here are some inputs   aCamel TitleCase snake case fromCamelCASEString ABCTest expect11  paren- -allow--not    why underScore   exists   last one onTheList    And my outputs   A Camel Title Case Snake Case From Camel Case String Abc Test Expect11 Paren Allow Not Why Under Score Exists Last One On The List

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If you want the correct answer according to the latest Unicode standard  you should use icu4j   UCharacter toTitleCase Locale US   hello world   null  0     Note that this is locale sensitive   Api Documentation  Implementation

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Use WordUtils capitalizeFully   from Apache Commons   WordUtils capitalizeFully null           null WordUtils capitalizeFully                   WordUtils capitalizeFully  i am FINE      I Am Fine

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This is the simplest solution      static void title String a String b       String ra   Character toString Character toUpperCase a charAt 0         String rb   Character toString Character toUpperCase b charAt 0         for int i 1 i lt a length   i             ra  a charAt i             for int i 1 i lt b length   i             rb  b charAt i             System out println ra     rb

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I know this is older one  but doesn t carry the simple answer  I needed this method for my coding so I added here  simple to use    public static String toTitleCase String input        input   input toLowerCase        char c    input charAt 0       String s   new String      c       String f   s toUpperCase        return f   input substring 1

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This should work   String str  i like pancakes   String arr   str split       String strNew     for String str1 arr        Character oldchar str1 charAt 0       Character newchar Character toUpperCase str1 charAt 0        strNew strNew str1 replace oldchar newchar             System out println strNew

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This is something I wrote to convert snake case to lowerCamelCase but could easily be adjusted based on the requirements  private String convertToLowerCamel String startingText        String   parts   startingText split           return parts 0  toLowerCase     Arrays stream parts                       skip 1                       map part - gt  part substring 0  1  toUpperCase     part substring 1  toLowerCase                         collect Collectors joining

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The simplest way of converting any string into a title case  is to use googles package org apache commons lang WordUtils  System out println WordUtils capitalizeFully  tHis will BE MY EXAMple       Will result this     This Will Be My Example   I m not sure why its named  capitalizeFully   where in fact the function  is not doing a full capital result  but anyways  thats the tool that we need

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Use this method to convert a string to title case    static String toTitleCase String word        return Stream of word split                    map w - gt  w toUpperCase   charAt 0   w toLowerCase   substring 1                reduce  s  s2  - gt  s         s2  orElse

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It seems none of the answers format it in the actual title case   How to Land Your Dream Job    To Kill a Mockingbird   etc  so I ve made my own method  Works best for English languages texts    private final static Set lt Character gt  TITLE CASE DELIMITERS   new HashSet lt  gt        static       TITLE CASE DELIMITERS add           TITLE CASE DELIMITERS add           TITLE CASE DELIMITERS add           TITLE CASE DELIMITERS add           TITLE CASE DELIMITERS add           TITLE CASE DELIMITERS add  -        TITLE CASE DELIMITERS add           TITLE CASE DELIMITERS add              private final static Set lt String gt  TITLE SMALLCASED WORDS   new HashSet lt  gt        static       TITLE SMALLCASED WORDS add  a        TITLE SMALLCASED WORDS add  an        TITLE SMALLCASED WORDS add  the        TITLE SMALLCASED WORDS add  for        TITLE SMALLCASED WORDS add  in        TITLE SMALLCASED WORDS add  on        TITLE SMALLCASED WORDS add  of        TITLE SMALLCASED WORDS add  and        TITLE SMALLCASED WORDS add  but        TITLE SMALLCASED WORDS add  or        TITLE SMALLCASED WORDS add  nor        TITLE SMALLCASED WORDS add  to           public static String toCapitalizedWord String oneWord        if  oneWord length    lt  1          return oneWord toUpperCase              return      Character toTitleCase oneWord charAt 0     oneWord substring 1  toLowerCase           public static String toTitledWord String oneWord        if  TITLE SMALLCASED WORDS contains oneWord toLowerCase             return oneWord toLowerCase              return toCapitalizedWord oneWord          public static String toTitleCase String str        StringBuilder result   new StringBuilder        StringBuilder oneWord   new StringBuilder         char previousDelimiter    x          on start  always move to upper case        for  char c   str toCharArray            if  TITLE CASE DELIMITERS contains c             if  previousDelimiter     -     previousDelimiter     x               result append toCapitalizedWord oneWord toString                else             result append toTitledWord oneWord toString                        oneWord setLength 0           result append c           previousDelimiter   c          else           oneWord append c                     if  previousDelimiter     -     previousDelimiter     x           result append toCapitalizedWord oneWord toString            else         result append toTitledWord oneWord toString                return result toString           public static void main String   args        System out println toTitleCase  one year in paris         System out println toTitleCase  How to Land Your Dream Job

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Conversion to Proper Title Case    String s   ThiS iS SomE Text   String   arr   s split       s       for  String s1   arr        s    WordUtils capitalize s1 toLowerCase             s   s substring 0  s length   - 1     Result    This Is Some Text

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Here s another take based on  dfa s and  scottb s answers that handles any non-letter digit characters  public final class TitleCase        public static String toTitleCase String input             StringBuilder titleCase   new StringBuilder input length             boolean nextTitleCase   true           for  char c   input toLowerCase   toCharArray                  if   Character isLetterOrDigit c                     nextTitleCase   true                else if  nextTitleCase                    c   Character toTitleCase c                   nextTitleCase   false                            titleCase append c                      return titleCase toString              Given input   MARY   NN O   CONNE  -  USLIK  the output is  Mary   nn O   Conne  -  uslik

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You can use apache commons langs like this    WordUtils capitalizeFully  this is a text to be capitalize     you can find the java doc here   WordUtils capitalizeFully java doc  and if you want to remove the spaces in between the worlds you can use    StringUtils remove WordUtils capitalizeFully  this is a text to be capitalize          you can find the java doc for String StringUtils remove java doc  i hope this help

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Sorry I am a beginner so my coding habit sucks   public class TitleCase        String title String sent                   sent  sent trim            sent   sent toLowerCase            String   str1 new String sent length             for int k 0 k lt  str1 length-1 k                 str1 k  sent charAt k                     for int i 0 i lt  sent length  -1 i                 if i  0                   String s  sent charAt i                      str1 i  s toUpperCase                                  if str1 i  equals                        String s  sent charAt i 1                      str1 i 1  s toUpperCase                                   System out print str1 i                           return                    public static void main String   args            TitleCase a   new TitleCase            System out println a title     enter your Statement

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I had this problem and i searched for it then i made my own method using some java keywords  just need to pass String variable as parameter and get output as proper titled String   public class Main     public static void main  String  args          String st    pARVeEN sISHOsIYA       String mainn   getTitleCase  st         System out println  mainn           public static String getTitleCase String input          StringBuilder titleCase   new StringBuilder  input length         boolean hadSpace   false      for  char c input toCharArray              if Character isSpaceChar c                hadSpace   true              titleCase append  c               continue                    if hadSpace               hadSpace   false              c   Character toUpperCase c               titleCase append  c            else              c   Character toLowerCase c               titleCase append  c                       String temp titleCase toString         StringBuilder titleCase1   new StringBuilder  temp length          int num 1      for  char c temp toCharArray                 if num  1              c   Character toUpperCase c               titleCase1 append  c               num 0                    return titleCase1 toString

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If I may submit my take on the solution    The following method is based on the one that dfa posted   It makes the following major change  which is suited to the solution I needed at the time    it forces all characters in the input string into lower case unless it is immediately preceded by an  quot actionable delimiter quot  in which case the character is coerced into upper case  A major limitation of my routine is that it makes the assumption that  quot title case quot  is uniformly defined for all locales and is represented by the same case conventions I have used and so it is less useful than dfa s code in that respect  public static String toDisplayCase String s         final String ACTIONABLE DELIMITERS    quot   -  quot      these cause the character following                                                     to be capitalized          StringBuilder sb   new StringBuilder        boolean capNext   true       for  char c   s toCharArray              c    capNext                    Character toUpperCase c                    Character toLowerCase c           sb append c           capNext    ACTIONABLE DELIMITERS indexOf  int  c   gt   0      explicit cast not needed           return sb toString       TEST VALUES  a string maRTin o maLLEY john wilkes-booth YET ANOTHER STRING  OUTPUTS  A String Martin O Malley John Wilkes-Booth Yet Another String

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you can very well use      org apache commons lang WordUtils   or      CaseFormat   from Google s API

[java] Is there a method for String conversion to Title Case?

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