NSObject

Returns the class object for the receiver’s class.

Returns the class object for the receiver’s superclass.

Returns a Boolean value that indicates whether the receiver and a given object are equal.

Returns an integer that can be used as a table address in a hash table structure.

Returns the receiver.

Returns a Boolean value that indicates whether the receiver is an instance of given class or an instance of any class that inherits from that class.

Returns a Boolean value that indicates whether the receiver is an instance of a given class.

Returns a Boolean value that indicates whether the receiver implements or inherits a method that can respond to a specified message.

Returns a Boolean value that indicates whether the receiver conforms to a given protocol.

Returns a string that describes the contents of the receiver.

Sends a specified message to the receiver and returns the result of the message.

Sends a message to the receiver with an object as the argument.

Sends a message to the receiver with two objects as arguments.

Returns a Boolean value that indicates whether the receiver does not descend from NSObject.

Increments the receiver’s reference count.

Decrements the receiver’s reference count.

Decrements the receiver’s retain count at the end of the current autorelease pool block.

Do not use this method.

Zones are deprecated and ignored by most classes that have it as a parameter.