public class ObjectUtils extends Object
| 构造器和说明 |
|---|
ObjectUtils() |
| 限定符和类型 | 方法和说明 |
|---|---|
static Map<String,Object> |
getArgs(Map<String,Object> args) |
static boolean |
isEmpty(Object obj)
判断字符串是否为空
|
static boolean |
isNotEmpty(Object obj)
判断字符串是否为非空
|
static boolean |
isSingletonMap(Map<?,?> mapObj)
判断 Map 是否未 Collections$SingletonMap 对象
|
static Object |
newInstance(Class<?> clazz)
使用反射机制创建类的实例
|
public static boolean isEmpty(Object obj)
obj - 待判断对象public static boolean isNotEmpty(Object obj)
obj - 待判断对象public static boolean isSingletonMap(Map<?,?> mapObj)
public static Object newInstance(Class<?> clazz) throws ReflectiveOperationException
clazz - 带创建实例的类ReflectiveOperationExceptionCopyright © 2025. All rights reserved.