PPT Slide

Subclasses and Superclasses

The Object class is the root of the Java class hierarchy.

The Object class declares methods that are implemented by all objects.

• public boolean equals(Object obj)

• public int hashCode()

• protected Object clone()

• public final Class getClass()

• protected void finalize() throws Throwable

Variables of type Object can refer to any

object and can be used in lists.

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