Java String Capitalize capitalize(String input)

Description

Capitalize a given input string

License

EUPL

Parameter

Parameter	Description
input	the input to capitalize

Return

the capitalized input, null if it was null, and an empty string ("") otherwise

Declaration

public static String capitalize(String input) 

Method Source Code

//package com.java2s;
/**/*from  ww  w  .j  a v  a  2 s  .  c  o  m*/
 * Copyright 2013 European Parliament
 *
 * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by the European Commission - subsequent versions of the EUPL (the "Licence");
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
 *
 * http://joinup.ec.europa.eu/software/page/eupl
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the Licence is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Licence for the specific language governing permissions and limitations under the Licence.
 */

public class Main {
    /**
     * Capitalize a given <tt>input</tt> string
     *
     * @param input the input to capitalize
     * @return the capitalized input, <tt>null</tt> if it was <tt>null</tt>, and an empty string ("") otherwise
     */
    public static String capitalize(String input) {
        if (input != null) {
            if ("".equals(input.trim()))
                return input;
            return input.substring(0, 1).toUpperCase() + input.substring(1);
        }
        return null;
    }
}

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