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abhi
java
1 Answer(s)      6 years and 4 months ago
Posted in : Java Interview Questions



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September 15, 2008 at 3:37 PM


Hi friend,


Methods of Object class

protected Object clone() - Creates and returns a copy of this object.
boolean equals(Object obj) - Indicates whether some other object is "equal to" this one.
protected void finalize() - Called by the garbage collector on an object when garbage collection
determines that there are no more references to the object.
Class getClass() - Returns the runtime class of an object.
int hashCode() - Returns a hash code value for the object.
void notify() - Wakes up a single thread that is waiting on this object's monitor.
void notifyAll() - Wakes up all threads that are waiting on this object's monitor.
String toString() - Returns a string representation of the object.
void wait() - Causes current thread to wait until another thread invokes
the notify() method or the notifyAll() method for this object.
void wait(long timeout) - Causes current thread to wait until either another thread invokes
the notify() method or the notifyAll() method for this object, or
a specified amount of time has elapsed.
void wait(long timeout, int nanos) - Causes current thread to wait until another thread invokes the notify()
method or the notifyAll() method for this object, or some other thread interrupts
the current thread,or a certain amount of real time has elapsed.

Thanks


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