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how to capitalize first letter of a word

Posted on 2006-11-30
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Last Modified: 2012-06-27
Hi guys I need a method to which if I ass a word it caitalize the first letter and send it back

for e.g. if I send alabama it sends me Alabama

Thanks
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Question by:huzefaq
13 Comments
 
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Expert Comment

by:lmedwilliams
ID: 18049638
Try this, you can add trim() to clean up empty spaces, but this should do what you like.

//---------------------------------------------------------------------------
#include <string>
#include <iostream>
#pragma hdrstop
using namespace std;
//---------------------------------------------------------------------------

#pragma argsused

string CapitalizeFirst(string inStr)
{
  inStr[0]=toupper(inStr[0]);
  return(inStr);
}

int main(int argc, char* argv[])
{
  string outStr="alabama";
  cout << "Original Word=" << outStr << endl;
  outStr = CapitalizeFirst(outStr);
  cout << "Finished Word=" << outStr << endl;
  system("PAUSE");
  return 0;

}
//---------------------------------------------------------------------------

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Expert Comment

by:Arthur_Wood
ID: 18050090
what programming language are you using?

AW
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Expert Comment

by:joshpowers
ID: 18050132
what language would you like it in?

in c++ it would be something like

void TitleCase(char* word)
{
     char[0] &= 0xDF;
}

That should turn any lowercase letter into a captial letter and leave captial letters alone.  The same principle applies to other languages.
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Expert Comment

by:jhshukla
ID: 18050293
@joshpowers
we need to check for valid range too. don't want to convert {|} to [\], etc. do we?
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Expert Comment

by:HonorGod
ID: 18050710
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title> Leading Cap </title>
<script type='text/javascript'>  
  function cap() {
    return arguments[ 0 ].toUpperCase();
  }

  function doit( obj ) {
    obj.value = obj.value.replace( /\b([a-z])/, cap );
  }
</script>  
</head>
<body>
  <input type='text' onchange='doit(this);return false;' />
</body>
</html>
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Accepted Solution

by:
Ravi Singh earned 150 total points
ID: 18050901
Based on your PAQ's -- a Java method that returns the new string:

    public String capitalizeFirstLetter(String input)
    {
        if (input.trim().equals("")) return "";
        else return input.substring(0, 1).toUpperCase() + input.substring(1, input.length());
    }
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Expert Comment

by:joshpowers
ID: 18051412
@jhshukla

Clearly some checking of your input is often nessisary when programming.  However the question was how do I turn a lower case letter into an uppercase letter.  My solution is a one liner that will work in nearly any language without many modifications.
Anyways the main point is that if you dont know what your variables ranges are then check them, if you have already checked them at other points then dont.  It is all about managing the data.
0
 

Expert Comment

by:leroopsin
ID: 18053925
Dear All,

If you want to do in VBScript, you give you a function in VBScript.

Function TitleCase(DaString)
    if not DaString = "" or IsNull(DaString) then
        dim DaTempString, DaArray, ConVStr
        DaString = lcase(DaString)
        DaArray = Split(DaString," ")
        For i = 0 to ubound(DaArray)
        ConVStr = UCase(Left(DaArray(i),1)) + mid(DaArray(i),2)
        DaTempString = DaTempString & " " & ConVStr
        next
    else
        DaTempString = "Nothing to Convert"
    end if
    TitleCase = DaTempString
End Function

Best regards,

Sin Le
0
 

Assisted Solution

by:alisadaqain
alisadaqain earned 100 total points
ID: 18058559
I guess Java is missing so here it is.

package whatever;

public class FirstCharChangeCase {

      public static void main(String[] args) {
            
            String Apple = "alabama";
            String First = null;
            String Rest = null;
            String appleAfter = null;
            
            //Break up string
            First = Apple.substring(0,1);
            Rest = Apple.substring(1);
            
            //Change First to UPPER
            First = First.toUpperCase();
            
            //Final Product
            appleAfter = First+Rest;
            
            //Test Print
            System.out.println(Apple);
            System.out.println(First);
            System.out.println(Rest);
            System.out.println(appleAfter);
      }

}

FYI...Used Java 1.6
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Expert Comment

by:mquiroz
ID: 18074075
and c#

        string capitalize(string word)
        {
            return (word.Trim().Substring(0, 1) + word.Trim().Substring(1));
        }
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Expert Comment

by:mquiroz
ID: 18074131
sorry, the best part was missing ;-P

        static string capitalize(string word)
        {
            return (word.Trim().Substring(0, 1).ToUpper() + word.Trim().Substring(1));
        }
0
 
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Expert Comment

by:m00958
ID: 18080117
In VB you could use:

Public Function Capitalise(Value as String) as String
    Capitalise = StrConv(Value, vbProperCase)
End Function
0
 
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Expert Comment

by:mquiroz
ID: 18097891
it's a nice collection of different languages aproach to the same problem, some kind of programmers' rosetta stone ;-)
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