Java String Capitalize First capitalizeFirstLetter(String str)

Description

capitalizes just the first letter and returns the given string

License

Apache License

Declaration

public static String capitalizeFirstLetter(String str) 

Method Source Code

//package com.java2s;
/*/*from w  ww  .j a v  a 2 s  .  com*/
 * Copyright (C) 2012 The Stanford MobiSocial Laboratory
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

public class Main {
    /** capitalizes just the first letter and returns the given string */
    public static String capitalizeFirstLetter(String str) {
        if (str == null)
            return null;
        if (str.length() == 0)
            return str;
        if (str.length() == 1)
            return Character.toString((Character.toUpperCase(str.charAt(0))));
        else
            return Character.toUpperCase(str.charAt(0)) + str.substring(1);
    }
}

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