Android String Case Convert toUpperCase(String src)

Description

Safely convert the string to uppercase.

License

Apache License

Return

upper case representation of the String; or null if the input string is null.

Declaration

public static String toUpperCase(String src) 

Method Source Code

//package com.java2s;
/**//from  ww w.j  a  v a  2  s  . com
 * Copyright (c) 2000, Google Inc.
 *
 * 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 {
    /**
     * Safely convert the string to uppercase.
     * @return upper case representation of the String; or null if
     * the input string is null.
     */
    public static String toUpperCase(String src) {
        if (src == null) {
            return null;
        } else {
            return src.toUpperCase();
        }
    }
}

Related

1. toUpperCase(String str, int beginIndex, int endIndex)
2. endsWithIgnoreCase(String str, String suffix)
3. lowercaseKeys(Map map)
4. startsWithIgnoreCase(String str, String prefix)
5. toLowerCase(String src)
6. flipCase(final String s)
7. matchesIgnoreCase(String str, String query, int startingAt)
8. lowerCase(String str)
9. upperCase(String str)