cn.hutool.json

Class JSONNull

java.lang.Object

cn.hutool.json.JSONNull

All Implemented Interfaces:

Serializable

public class JSONNull
extends Object
implements Serializable

用于定义null，与Javascript中null相对应
Java中的null值在js中表示为undefined。

Author:

Looly

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static JSONNull	NULL NULL 对象用于减少歧义来表示Java 中的null NULL.equals(null) 返回 true.

Constructor Summary

Constructors

Constructor and Description
JSONNull()

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object object) A Null object is equal to the null value and to itself.
String	toString() Get the "null" string value.

Methods inherited from class java.lang.Object

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

Field Detail

NULL

public static final JSONNull NULL

NULL 对象用于减少歧义来表示Java 中的null
NULL.equals(null) 返回 true.
NULL.toString() 返回 "null".

Constructor Detail

JSONNull

public JSONNull()

Method Detail

equals

public boolean equals(Object object)

A Null object is equal to the null value and to itself. 对象与其本身和null值相等

Overrides:

equals in class Object

Parameters:

object - An object to test for nullness.

Returns:

true if the object parameter is the JSONObject.NULL object or null.

toString

public String toString()

Get the "null" string value. 获得“null”字符串

Overrides:

toString in class Object

Returns:

The string "null".