cn.jdevelops.api.result.util

类 ObjectUtils

java.lang.Object

cn.jdevelops.api.result.util.ObjectUtils

public final class ObjectUtils
extends Object

版本:

V1.0

时间

2023-06-08 23:57

作者

tnnn

方法概要

限定符和类型	方法和说明
static boolean	isArray(Object obj) Determine whether the given object is an array: either an Object array or a primitive array.
static boolean	isEmpty(Object obj) Determine whether the given object is empty.
static boolean	isEmpty(Object[] array) Determine whether the given array is empty: i.e.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

方法详细资料

isArray

public static boolean isArray(Object obj)

Determine whether the given object is an array: either an Object array or a primitive array.

参数

the object to check

isEmpty

public static boolean isEmpty(Object[] array)

Determine whether the given array is empty: i.e. null or of zero length.

另请参阅:

isEmpty(Object)

参数

the array to check

isEmpty

public static boolean isEmpty(Object obj)

Determine whether the given object is empty.

This method supports the following object types.

• Optional: considered empty if not Optional.isPresent()
• Array: considered empty if its length is zero
• CharSequence: considered empty if its length is zero
• Collection: delegates to Collection.isEmpty()
• Map: delegates to Map.isEmpty()

If the given object is non-null and not one of the aforementioned supported types, this method returns false.

从以下版本开始:

4.2

return

true if the object is null or empty

参数

the object to check