Java String Capitalize capitalize(String str)

Description

capitalize

License

Open Source License

Declaration

public static String capitalize(String str) 

Method Source Code

//package com.java2s;
/*//w  ww.j  a va2 s  .  com
 * Copyright (c) 2017, WSO2 Inc. (http://wso2.com) All Rights Reserved.
 *
 * 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 {
    public static String capitalize(String str) {
        int strLen;
        if (str != null && (strLen = str.length()) != 0) {
            char firstChar = str.charAt(0);
            return Character.isTitleCase(firstChar) ? str
                    : (new StringBuilder(strLen))
                            .append(Character.toTitleCase(firstChar))
                            .append(str.substring(1)).toString();
        } else {
            return str;
        }
    }
}

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