Java example source code file (Object2.java)

This example Java source code file (Object2.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

class, cloneable, clonenotsupportedexception, interruptedexception, object, string, throwable

The Object2.java Java example source code

/*
 * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * @test
 * @bug 4091755
 * @summary java.lang.Object can't be redefined without crashing javac
 * @author gafter
 *
 * @compile/fail Object2.java
 */

package java.lang;
class Object implements Cloneable {
    public final native Class getClass();
    public native int hashCode();
    public native boolean equals(Object obj);
    public native Object clone() throws CloneNotSupportedException;
    public native String toString();
    public final native void notify();
    public final native void notifyAll();
    public final native void wait(long timeout) throws InterruptedException;
    public native final void wait(long timeout, int nanos) throws InterruptedException;
    public native final void wait() throws InterruptedException;
    protected void finalize() throws Throwable { }
}