public class ValidationUtil extends Object
public static boolean isEmpty(Collection<?> obj)
obj - 需要判断的集合public static boolean isEmpty(String obj)
obj - 需要判断的字符串public static boolean isEmpty(Object[] obj)
obj - 需要判断的数组public static boolean isEmpty(Map<?,?> obj)
obj - 需要判断的MapCopyright © 2021. All rights reserved.