Android Array Length Compare isSameLength(int[] array1, int[] array2)

Description

Checks whether two arrays are the same length, treating null arrays as length 0.

License

Apache License

Parameter

Parameter	Description
array1	the first array, may be <code>null</code>
array2	the second array, may be <code>null</code>

Return

true if length of arrays matches, treating null as an empty array

Declaration

public static boolean isSameLength(int[] array1, int[] array2) 

Method Source Code

//package com.java2s;
/*/*from w ww  .  j  a v  a2 s  . c  o m*/
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  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 {
    /**
     * <p>Checks whether two arrays are the same length, treating
     * <code>null</code> arrays as length <code>0</code>.
     *
     * <p>Any multi-dimensional aspects of the arrays are ignored.</p>
     *
     * @param array1 the first array, may be <code>null</code>
     * @param array2 the second array, may be <code>null</code>
     * @return <code>true</code> if length of arrays matches, treating
     *  <code>null</code> as an empty array
     */
    public static boolean isSameLength(Object[] array1, Object[] array2) {
        if ((array1 == null && array2 != null && array2.length > 0)
                || (array2 == null && array1 != null && array1.length > 0)
                || (array1 != null && array2 != null && array1.length != array2.length)) {
            return false;
        }
        return true;
    }

    /**
     * <p>Checks whether two arrays are the same length, treating
     * <code>null</code> arrays as length <code>0</code>.</p>
     *
     * @param array1 the first array, may be <code>null</code>
     * @param array2 the second array, may be <code>null</code>
     * @return <code>true</code> if length of arrays matches, treating
     *  <code>null</code> as an empty array
     */
    public static boolean isSameLength(long[] array1, long[] array2) {
        if ((array1 == null && array2 != null && array2.length > 0)
                || (array2 == null && array1 != null && array1.length > 0)
                || (array1 != null && array2 != null && array1.length != array2.length)) {
            return false;
        }
        return true;
    }

    /**
     * <p>Checks whether two arrays are the same length, treating
     * <code>null</code> arrays as length <code>0</code>.</p>
     *
     * @param array1 the first array, may be <code>null</code>
     * @param array2 the second array, may be <code>null</code>
     * @return <code>true</code> if length of arrays matches, treating
     *  <code>null</code> as an empty array
     */
    public static boolean isSameLength(int[] array1, int[] array2) {
        if ((array1 == null && array2 != null && array2.length > 0)
                || (array2 == null && array1 != null && array1.length > 0)
                || (array1 != null && array2 != null && array1.length != array2.length)) {
            return false;
        }
        return true;
    }

    /**
     * <p>Checks whether two arrays are the same length, treating
     * <code>null</code> arrays as length <code>0</code>.</p>
     *
     * @param array1 the first array, may be <code>null</code>
     * @param array2 the second array, may be <code>null</code>
     * @return <code>true</code> if length of arrays matches, treating
     *  <code>null</code> as an empty array
     */
    public static boolean isSameLength(short[] array1, short[] array2) {
        if ((array1 == null && array2 != null && array2.length > 0)
                || (array2 == null && array1 != null && array1.length > 0)
                || (array1 != null && array2 != null && array1.length != array2.length)) {
            return false;
        }
        return true;
    }

    /**
     * <p>Checks whether two arrays are the same length, treating
     * <code>null</code> arrays as length <code>0</code>.</p>
     *
     * @param array1 the first array, may be <code>null</code>
     * @param array2 the second array, may be <code>null</code>
     * @return <code>true</code> if length of arrays matches, treating
     *  <code>null</code> as an empty array
     */
    public static boolean isSameLength(char[] array1, char[] array2) {
        if ((array1 == null && array2 != null && array2.length > 0)
                || (array2 == null && array1 != null && array1.length > 0)
                || (array1 != null && array2 != null && array1.length != array2.length)) {
            return false;
        }
        return true;
    }

    /**
     * <p>Checks whether two arrays are the same length, treating
     * <code>null</code> arrays as length <code>0</code>.</p>
     *
     * @param array1 the first array, may be <code>null</code>
     * @param array2 the second array, may be <code>null</code>
     * @return <code>true</code> if length of arrays matches, treating
     *  <code>null</code> as an empty array
     */
    public static boolean isSameLength(byte[] array1, byte[] array2) {
        if ((array1 == null && array2 != null && array2.length > 0)
                || (array2 == null && array1 != null && array1.length > 0)
                || (array1 != null && array2 != null && array1.length != array2.length)) {
            return false;
        }
        return true;
    }

    /**
     * <p>Checks whether two arrays are the same length, treating
     * <code>null</code> arrays as length <code>0</code>.</p>
     *
     * @param array1 the first array, may be <code>null</code>
     * @param array2 the second array, may be <code>null</code>
     * @return <code>true</code> if length of arrays matches, treating
     *  <code>null</code> as an empty array
     */
    public static boolean isSameLength(double[] array1, double[] array2) {
        if ((array1 == null && array2 != null && array2.length > 0)
                || (array2 == null && array1 != null && array1.length > 0)
                || (array1 != null && array2 != null && array1.length != array2.length)) {
            return false;
        }
        return true;
    }

    /**
     * <p>Checks whether two arrays are the same length, treating
     * <code>null</code> arrays as length <code>0</code>.</p>
     *
     * @param array1 the first array, may be <code>null</code>
     * @param array2 the second array, may be <code>null</code>
     * @return <code>true</code> if length of arrays matches, treating
     *  <code>null</code> as an empty array
     */
    public static boolean isSameLength(float[] array1, float[] array2) {
        if ((array1 == null && array2 != null && array2.length > 0)
                || (array2 == null && array1 != null && array1.length > 0)
                || (array1 != null && array2 != null && array1.length != array2.length)) {
            return false;
        }
        return true;
    }

    /**
     * <p>Checks whether two arrays are the same length, treating
     * <code>null</code> arrays as length <code>0</code>.</p>
     *
     * @param array1 the first array, may be <code>null</code>
     * @param array2 the second array, may be <code>null</code>
     * @return <code>true</code> if length of arrays matches, treating
     *  <code>null</code> as an empty array
     */
    public static boolean isSameLength(boolean[] array1, boolean[] array2) {
        if ((array1 == null && array2 != null && array2.length > 0)
                || (array2 == null && array1 != null && array1.length > 0)
                || (array1 != null && array2 != null && array1.length != array2.length)) {
            return false;
        }
        return true;
    }
}

Related

1. isSameLength(boolean[] array1, boolean[] array2)
2. isSameLength(byte[] array1, byte[] array2)
3. isSameLength(char[] array1, char[] array2)
4. isSameLength(double[] array1, double[] array2)
5. isSameLength(float[] array1, float[] array2)
6. isSameLength(long[] array1, long[] array2)
7. isSameLength(short[] array1, short[] array2)