org.json

Class Null

java.lang.Object

org.json.Null

public class 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.

Method Summary

Modifier and Type	Method and Description
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.
static Null	getInstance()
int	hashCode()
java.lang.String	toString() Get the "null" string value.

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static Null getInstance()

clone

protected final java.lang.Object clone()

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

Overrides:

clone in class java.lang.Object

Returns:

NULL.

equals

public boolean equals(java.lang.Object object)

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

Overrides:

equals in class java.lang.Object

Parameters:

object - An object to test for nullness.

Returns:

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

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Get the "null" string value.

Overrides:

toString in class java.lang.Object

Returns:

The string "null".