Arrays2.java

/*
 * Copyright 2015 Hippo Seven
 *
 * 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
 *
 *     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.hippo.util;

public class Arrays2 {

    public static <T> int indexOf(T[] array, T item) {
        for (int i = 0, n = array.length; i < n; i++) {
            T t = array[i];
            if ((t != null && t.equals(item))
                    || (item == null && t == null)) {
                return i;
            }
        }

        return -1;
    }
}