org.opencms.json

类 JSONObject.Null

java.lang.Object

org.opencms.json.JSONObject.Null

封闭类:

JSONObject

protected static final class JSONObject.Null
extends java.lang.Object

JSONObject.NULL is equivalent to the value that JavaScript calls null, whilst Java's null is equivalent to the value that JavaScript calls undefined.

构造器概要

构造器

限定符	构造器和说明
protected	JSONObject.Null()

方法概要

方法

限定符和类型	方法和说明
protected java.lang.Object	clone() There is only intended to be a single instance of the NULL object, so the clone method returns itself.
boolean	equals(java.lang.Object object) A Null object is equal to the null value and to itself.
int	hashCode()
java.lang.String	toString() Get the "null" string value.

从类继承的方法 java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

构造器详细资料

JSONObject.Null

protected JSONObject.Null()

方法详细资料

equals

public boolean equals(java.lang.Object object)

A Null object is equal to the null value and to itself.

覆盖:

equals 在类中 java.lang.Object

参数:

object - an object to test for nullness

返回:

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

hashCode

public int hashCode()

覆盖:

hashCode 在类中 java.lang.Object

另请参阅:

Object.hashCode()

toString

public java.lang.String toString()

Get the "null" string value.

覆盖:

toString 在类中 java.lang.Object

返回:

the string "null".

clone

protected java.lang.Object clone()

There is only intended to be a single instance of the NULL object, so the clone method returns itself.

覆盖:

clone 在类中 java.lang.Object

返回:

NULL.