public class ObjectUtils extends Object
构造器和说明 |
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ObjectUtils() |
限定符和类型 | 方法和说明 |
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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ReflectiveOperationException
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