Java Number Value Of valueOf(char c)

Here you can find the source of valueOf(char c)

Description

This is a performance optimization.

License

Apache License

Parameter

Parameter Description
c char to match to a Character.

Return

a Character that matches the passed in char. If the value is less than 127, then the same Character instances are re-used.

Declaration

static Character valueOf(char c) 

Method Source Code

//package com.java2s;
/**/*w  w w .j ava2 s  .com*/
 * This utility class has the methods mostly related to reflection related code.
 *
 * @author John DeRegnaucourt (jdereg@gmail.com)
 *         <br>
 *         Copyright (c) Cedar Software LLC
 *         <br><br>
 *         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
 *         <br><br>
 *         http://www.apache.org/licenses/LICENSE-2.0
 *         <br><br>
 *         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 {
    private static final Character[] charCache = new Character[128];

    /**
     * This is a performance optimization.  The lowest 128 characters are re-used.
     *
     * @param c char to match to a Character.
     * @return a Character that matches the passed in char.  If the value is
     *         less than 127, then the same Character instances are re-used.
     */
    static Character valueOf(char c) {
        return c <= 127 ? charCache[(int) c] : c;
    }
}

Related

  1. valueOf(Boolean bool)
  2. valueOf(boolean flag)
  3. valueOf(boolean tmp)
  4. valueOf(Boolean value)
  5. valueOf(Boolean value)
  6. valueOf(char hexChar)
  7. valueOf(Class enumType, int ordinal)
  8. valueOf(final Boolean value)
  9. valueOf(float f)