Checks whether two arrays are the same length, treating null arrays as length 0 . - Android java.lang

Description

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

Demo Code

/*//w  ww .j  a  v a 2s. c  om
 * 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.
 */
//package com.java2s;

public class Main {
    /**
     * <p>Checks whether two arrays are the same length, treating
     * {@code null} arrays as length {@code 0}.
     *
     * <p>Any multi-dimensional aspects of the arrays are ignored.</p>
     *
     * @param array1 the first array, may be {@code null}
     * @param array2 the second array, may be {@code null}
     * @return {@code true} if length of arrays matches, treating
     *  {@code null} as an empty array
     */
    public static boolean isSameLength(final Object[] array1,
            final 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} arrays as length {@code 0}.</p>
     *
     * @param array1 the first array, may be {@code null}
     * @param array2 the second array, may be {@code null}
     * @return {@code true} if length of arrays matches, treating
     *  {@code null} as an empty array
     */
    public static boolean isSameLength(final long[] array1,
            final 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} arrays as length {@code 0}.</p>
     *
     * @param array1 the first array, may be {@code null}
     * @param array2 the second array, may be {@code null}
     * @return {@code true} if length of arrays matches, treating
     *  {@code null} as an empty array
     */
    public static boolean isSameLength(final int[] array1,
            final 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} arrays as length {@code 0}.</p>
     *
     * @param array1 the first array, may be {@code null}
     * @param array2 the second array, may be {@code null}
     * @return {@code true} if length of arrays matches, treating
     *  {@code null} as an empty array
     */
    public static boolean isSameLength(final short[] array1,
            final 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} arrays as length {@code 0}.</p>
     *
     * @param array1 the first array, may be {@code null}
     * @param array2 the second array, may be {@code null}
     * @return {@code true} if length of arrays matches, treating
     *  {@code null} as an empty array
     */
    public static boolean isSameLength(final char[] array1,
            final 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} arrays as length {@code 0}.</p>
     *
     * @param array1 the first array, may be {@code null}
     * @param array2 the second array, may be {@code null}
     * @return {@code true} if length of arrays matches, treating
     *  {@code null} as an empty array
     */
    public static boolean isSameLength(final byte[] array1,
            final 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} arrays as length {@code 0}.</p>
     *
     * @param array1 the first array, may be {@code null}
     * @param array2 the second array, may be {@code null}
     * @return {@code true} if length of arrays matches, treating
     *  {@code null} as an empty array
     */
    public static boolean isSameLength(final double[] array1,
            final 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} arrays as length {@code 0}.</p>
     *
     * @param array1 the first array, may be {@code null}
     * @param array2 the second array, may be {@code null}
     * @return {@code true} if length of arrays matches, treating
     *  {@code null} as an empty array
     */
    public static boolean isSameLength(final float[] array1,
            final 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} arrays as length {@code 0}.</p>
     *
     * @param array1 the first array, may be {@code null}
     * @param array2 the second array, may be {@code null}
     * @return {@code true} if length of arrays matches, treating
     *  {@code null} as an empty array
     */
    public static boolean isSameLength(final boolean[] array1,
            final 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;
    }
}

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