Java String Upper Case toUpperCase(CharSequence string)

Description

Converts to upper case independent of the current locale via Character#toUpperCase(char) which uses mapping information from the UnicodeData file.

License

Apache License

Parameter

Parameter	Description
string	a parameter

Return

upper cased String

Declaration

public static String toUpperCase(CharSequence string) 

Method Source Code

//package com.java2s;
/*/* w  w w .  j av a  2 s  .co m*/
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreemnets.  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 {
    /**
     * Converts to upper case independent of the current locale via 
     * {@link Character#toUpperCase(char)} which uses mapping information
     * from the UnicodeData file.
     * 
     * @param string
     * @return upper cased String
     */
    public static String toUpperCase(CharSequence string) {
        char upperCaseChars[] = new char[string.length()];

        for (int i = 0; i < string.length(); i++) {
            upperCaseChars[i] = Character.toUpperCase(string.charAt(i));
        }

        return new String(upperCaseChars);
    }
}

Related

1. toUpperCase(final char c)
2. toUpperCase(final String s)
3. toUpperCase(final String s)
4. toUpperCase(final String s)