Java String Length Get length(final String s)

Description

Use this method when you don't want a length check to throw a NullPointerException when

License

Apache License

Parameter

Parameter	Description
s	string to return length of

Return

0 if string is null, otherwise the length of string.

Declaration

public static int length(final String s) 

Method Source Code

//package com.java2s;
/**//  ww w  . java 2s. c om
 * Useful String utilities for common tasks
 *
 * @author Ken Partlow
 * @author John DeRegnaucourt (john@cedarsoftware.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 {
    /**
     * Use this method when you don't want a length check to
     * throw a NullPointerException when
     *
     * @param s string to return length of
     * @return 0 if string is null, otherwise the length of string.
     */
    public static int length(final String s) {
        return s == null ? 0 : s.length();
    }
}

Related

1. length(final String s, final String separator)
2. length(Object string)
3. length(String arg)
4. length(String buffer)