Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * JEF - Copyright 2009-2010 Jiyi (mr.jiyi@gmail.com)
 *
 * 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.
 */

import java.lang.reflect.Array;

import java.util.Collection;

public class Main {

    public static Object findElementInstance(Object collection) {
        if (collection == null)
            return null;
        if (collection.getClass().isArray()) {
            for (int i = 0; i < Array.getLength(collection); i++) {
                Object o = Array.get(collection, i);
                if (o != null) {
                    return o;
                }
            }
        } else if (collection instanceof Collection) {
            for (Object o : ((Collection<?>) collection)) {
                if (o != null) {
                    return o;
                }
            }
        }
        return null;
    }
}