非空判定工具类

2019-11-09 16:19:04

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package com.lyt.base.util;import java.util.Collection;public class NullUtil {public static boolean isEmpty(Object objs) {return (objs == null);}public static boolean isEmpty(Object[] objs) {return ((objs == null) || (objs.length == 0));}public static boolean isEmpty(Collection<?> objs) {return ((objs == null) || (objs.size() <= 0));}public static boolean isEmpty(byte[] objs) {return ((objs == null) || (objs.length == 0));}public static boolean isEmpty(String str) {return ((str == null) || (str.trim().length() == 0));}public static boolean isEmpty(Long l) {return ((l == null) || (l.longValue() == 0L));}}

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