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是空数组
//package com.nowjava; /** from 时 代 J a v a**/ public class Main { public static void main(String[] argv) throws Exception { Object result = "nowjava.com"; System.out.println(isEmptyArray(result)); } public static boolean isEmptyArray(Object result) { if (result.getClass().isArray()) { if (result instanceof byte[]) { return (((byte[]) result).length == 0); } else if (result instanceof short[]) {//from 时代Java - nowjava.com return (((short[]) result).length == 0); } else if (result instanceof int[]) { return (((int[]) result).length == 0); } else if (result instanceof long[]) { return (((long[]) result).length == 0); } else if (result instanceof float[]) { return (((float[]) result).length == 0); } else if (result instanceof double[]) { return (((double[]) result).length == 0); } else if (result instanceof char[]) { return (((char[]) result).length == 0); } else if (result