Java String Capitalize capitalize(String str)

Description

Capitalizes the first letter of str.

License

Open Source License

Parameter

Parameter	Description
str	The string to capitalize.

Return

A new string that is str capitalized. Returns null if str is null.

Declaration

public static String capitalize(String str) 

Method Source Code

//package com.java2s;
/*/*from w w w  .jav  a 2s .c  om*/
 * RHQ Management Platform
 * Copyright (C) 2005-2008 Red Hat, Inc.
 * All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License, version 2, as
 * published by the Free Software Foundation, and/or the GNU Lesser
 * General Public License, version 2.1, also as published by the Free
 * Software Foundation.
 *
 * 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 and the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU General Public License
 * and the GNU Lesser General Public License along with this program;
 * if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */

public class Main {
    /**
     * Capitalizes the first letter of str.
     *
     * @param  str The string to capitalize.
     *
     * @return A new string that is <code>str</code> capitalized. Returns <code>null</code> if str is null.
     */
    public static String capitalize(String str) {
        if (str == null) {
            return null;
        } else if (str.trim().equals("")) {
            return str;
        }

        String result = str.substring(0, 1).toUpperCase() + str.substring(1, str.length());

        return result;
    }
}

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