Java String Capitalize First capitalizeFirst(String str)

Description

Capitalizes the first letter of a string, and returns the result.
(Based on ucfirst() function of PHP)

License

Open Source License

Parameter

Parameter	Description
str	a parameter

Return

String containing the modified string.

Declaration

public static String capitalizeFirst(String str) 

Method Source Code

//package com.java2s;
/*/*  w  ww.  j av a2  s  . c  o  m*/
 * This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that
 * it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If
 * not, see <http://www.gnu.org/licenses/>.
 */

public class Main {
    /**
     * Capitalizes the first letter of a string, and returns the result.<BR>
     * (Based on ucfirst() function of PHP)
     * 
     * @param str
     * @return String containing the modified string.
     */
    public static String capitalizeFirst(String str) {
        str = str.trim();

        if (str.length() > 0 && Character.isLetter(str.charAt(0)))
            return str.substring(0, 1).toUpperCase() + str.substring(1);

        return str;
    }
}

Related

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2. capitalizeFirst(String rawStr)
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