Object

Parent class of all Java objects. 

Parent

None (and itself at the same time, don't question it)

Variables and Functions

Name	Type	Info
toString()	String	Tag collection type.
equals(Object other)	boolean	Checks equality with another object.
hashCode()	int	Hash code of this object. It is used to optimize maps and other things, should never be used for object equality.
class	Class	Object's type/class.