Package org.opencms.json

Class JSONObject.Null

java.lang.Object
org.opencms.json.JSONObject.Null
Enclosing class:
JSONObject
protected static final class JSONObject.Null extends 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.

  • Constructor Summary

    Constructors
    Modifier
    Constructor
    Description
    protected
    Null()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    protected Object
    clone()
    There is only intended to be a single instance of the NULL object, so the clone method returns itself.
    boolean
    equals(Object object)
    A Null object is equal to the null value and to itself.
    int
    hashCode()
     
    String
    toString()
    Get the "null" string value.

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • Null

      protected Null()

  • Method Details

    • equals

      public boolean equals(Object object)
      A Null object is equal to the null value and to itself.

      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

    • hashCode

      public int hashCode()
      Overrides:
      hashCode in class Object
      See Also:

    • toString

      public String toString()
      Get the "null" string value.

      Overrides:
      toString in class Object
      Returns:
      the string "null".

    • clone

      protected 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 Object
      Returns:
      NULL.