Mega Code Archive
Uncapitalizes a String changing the first letter to title case as per Character toLowerCase(char) No other letters are changed.t
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 {
/**
* <p>Uncapitalizes a String changing the first letter to title case as
* per {@link Character#toLowerCase(char)}. No other letters are changed.</p>
*
* <p>For a word based algorithm, see {@link WordUtils#uncapitalize(String)}.
* A <code>null</code> input String returns <code>null</code>.</p>
*
* <pre>
* StringUtils.uncapitalize(null) = null
* StringUtils.uncapitalize("") = ""
* StringUtils.uncapitalize("Cat") = "cat"
* StringUtils.uncapitalize("CAT") = "cAT"
* </pre>
*
* @param str the String to uncapitalize, may be null
* @return the uncapitalized String, <code>null</code> if null String input
* @see WordUtils#uncapitalize(String)
* @see #capitalize(String)
* @since 2.0
*/
public static String uncapitalize(String str) {
int strLen;
if (str == null || (strLen = str.length()) == 0) {
return str;
}
return new StringBuffer(strLen)
.append(Character.toLowerCase(str.charAt(0)))
.append(str.substring(1))
.toString();
}
}
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