检查列表（可迭代）是否包含实例类c

//package com.nowjava;

/** from 
时代Java公众号 - nowjava.com**/

public class Main {

    /**

     * Checks if the list (iterable) contains something of an instance class c

     * @param iterable a list of things

     * @param c class to check against

     * @param <T> Type of the list

     * @return if the list contains something of instance class c

     */

    public static <T> boolean containsInstance(Iterable<T> iterable, Class c) {

        for (T t : iterable) {

            if (c.isInstance(t)) {

                return true;

            }

        }

        return false;

    }/* 来 自 N o w  J a v a  . c o m*/

}