/**************************************************************************
* Copyright (c) 2001 by Punch Telematix. All rights reserved. *
* *
* Redistribution and use in source and binary forms, with or without *
* modification, are permitted provided that the following conditions *
* are met: *
* 1. Redistributions of source code must retain the above copyright *
* notice, this list of conditions and the following disclaimer. *
* 2. Redistributions in binary form must reproduce the above copyright *
* notice, this list of conditions and the following disclaimer in the *
* documentation and/or other materials provided with the distribution. *
* 3. Neither the name of Punch Telematix nor the names of *
* other contributors may be used to endorse or promote products *
* derived from this software without specific prior written permission.*
* *
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED *
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF *
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. *
* IN NO EVENT SHALL PUNCH TELEMATIX OR OTHER CONTRIBUTORS BE LIABLE *
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR *
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF *
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR *
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, *
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE *
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN *
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
**************************************************************************/
/*
** $Id: Object.java,v 1.1.1.1 2004/07/12 14:07:46 cvs Exp $
*/
package java.lang;
/**
** The mother of all classes.
**
** Note: this class is initialized "by hand" before the VM is fully
** initialized. Consequently it must not have a static initializer.
** (It can have static variables, and even constant initial values
** for those variables, but nothing fancier and certainly no static{}
** clause.)
*/
public class Object {
/**
** Get the class of which this object is an instance.
*/
public final native Class getClass();
/**
** Default String representation: overriden by many classes.
*/
public String toString() {
return this.getClass().getName()+"@"+Integer.toHexString(this.hashCode());
}
/**
** The (default) object hashcode: for transient objects this is simply the
** address of the instance in memory, for persistent objects it is the
** address at which the instance was first created (maybe in a previous
** activation of the VM).
*/
public native int hashCode();
/**
** Default object equality (is identity).
*/
public native boolean equals(Object obj);
/**
** Default clone() method performs a "shallow" cloning of the instance.
*/
protected native Object clone()
throws CloneNotSupportedException;
/**
** Wait forever.
*/
public final void wait() throws IllegalMonitorStateException, InterruptedException {
wait(0, 0);
}
/**
** Wait for x ms, 0 ns.
*/
public final void wait(long millis) throws IllegalMonitorStateException, InterruptedException {
wait(millis, 0);
}
/**
** Wait on a monitor.
*/
public final native void wait(long millis, int nanos)
throws IllegalMonitorStateException, InterruptedException;
/**
** Notify (at most) one thread that is waiting on a monitor.
*/
public final native void notify()
throws IllegalMonitorStateException;
/**
** Notify all threads (if any) that are waiting on a monitor.
*/
public final native void notifyAll()
throws IllegalMonitorStateException;
/**
** The default finalizer does nothing.
*/
protected void finalize()
throws Throwable {}
/**
** Private method which is called by the garbage collector (from native
** code) to invoke the finalizer of an object.
*/
private static void do_finalize(Object o) {
try {
o.finalize();
}
catch (Throwable t) {
}
}
}