object.java

来自「kaffe是一个java虚拟机的源代码。里面包含了一些java例程和标准的jav」· Java 代码 · 共 61 行

/*
 * Java core library component.
 *
 * Copyright (c) 1997, 1998
 *      Transvirtual Technologies, Inc.  All rights reserved.
 *
 * See the file "license.terms" for information on usage and redistribution
 * of this file.
 */

package java.lang;


public class Object
{
native protected Object clone() throws CloneNotSupportedException;

public boolean equals(Object obj) {
	return (this==obj);  /* Well either its equal or it aint! */
}

protected void finalize() throws Throwable {
	/* Does nothing for Object class */
}

final native public Class  getClass();

native public int    hashCode();

final native public void   notify();

final native public void   notifyAll();

public String toString() {
	return getClass().getName()+'@'+Integer.toHexString(hashCode());
}

final public void wait() throws InterruptedException {
	/* Just wait forever */
	wait(0);
}

final public void wait(long timeout, int nanos) throws InterruptedException {
	/* Ignore nanos, except avoid clipping a non-zero quantity to zero */
	if (nanos < 0 || nanos > 999999) {
		throw new IllegalArgumentException("nanos out of range");
	}
	if (timeout == 0 && nanos > 0) {
		timeout++;
	}
	wait(timeout);    
}

final public void wait(long timeout) throws InterruptedException {
	Thread.currentThread().waitOn(this, timeout);
}

final native void wait0(long timeout);

}