Java Array Length Get length(Object[] array)

Description

Null-safe operation to determine an array's length.

License

Apache License

Parameter

Parameter	Description
array	the array to determine it's length.

Return

the length of the given array or 0 if the array reference is null.

Declaration

public static int length(Object[] array) 

Method Source Code

//package com.java2s;
/*/*w w  w  . j ava2s .  c o  m*/
 * Copyright 2002-2019 the original author or authors.
 *
 * 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
 *
 * https://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 {
    /**
     * Null-safe operation to determine an array's length.
     *
     * @param array the array to determine it's length.
     * @return the length of the given array or 0 if the array reference is null.
     */
    public static int length(Object[] array) {
        return array != null ? array.length : 0;
    }
}

Related

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2. length(int[][] instance, int u)
3. length(long[] v)
4. length(Object anArray[])
5. length(Object[] array)
6. length(Object[] array)
7. length(Object[] buf)
8. length(String[] arr)
9. length(T[] a)