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src/java.base/share/classes/java/lang/Object.java

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 15  * accompanied this code).
 16  *
 17  * You should have received a copy of the GNU General Public License version
 18  * 2 along with this work; if not, write to the Free Software Foundation,
 19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 20  *
 21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 22  * or visit www.oracle.com if you need additional information or have any
 23  * questions.
 24  */
 25 
 26 package java.lang;
 27 
 28 import jdk.internal.misc.Blocker;
 29 import jdk.internal.vm.annotation.IntrinsicCandidate;
 30 
 31 /**
 32  * Class {@code Object} is the root of the class hierarchy.
 33  * Every class has {@code Object} as a superclass. All objects,
 34  * including arrays, implement the methods of this class.




 35  *
 36  * @see     java.lang.Class
 37  * @since   1.0
 38  */
 39 public class Object {
 40 
 41     /**
 42      * Constructs a new object.
 43      */
 44     @IntrinsicCandidate
 45     public Object() {}
 46 
 47     /**
 48      * Returns the runtime class of this {@code Object}. The returned
 49      * {@code Class} object is the object that is locked by {@code
 50      * static synchronized} methods of the represented class.
 51      *
 52      * <p><b>The actual result type is {@code Class<? extends |X|>}
 53      * where {@code |X|} is the erasure of the static type of the
 54      * expression on which {@code getClass} is called.</b> For

 15  * accompanied this code).
 16  *
 17  * You should have received a copy of the GNU General Public License version
 18  * 2 along with this work; if not, write to the Free Software Foundation,
 19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 20  *
 21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 22  * or visit www.oracle.com if you need additional information or have any
 23  * questions.
 24  */
 25 
 26 package java.lang;
 27 
 28 import jdk.internal.misc.Blocker;
 29 import jdk.internal.vm.annotation.IntrinsicCandidate;
 30 
 31 /**
 32  * Class {@code Object} is the root of the class hierarchy.
 33  * Every class has {@code Object} as a superclass. All objects,
 34  * including arrays, implement the methods of this class.
 35  * <p>
 36  * Subclasses of {@code java.lang.Object} can be either an {@linkplain Class#isIdentity identity class}
 37  * or a {@linkplain Class#isValue value class}.
 38  * See {@jls The Java Language Specification 8.1.1.5 value Classes}.
 39  *
 40  * @see     java.lang.Class
 41  * @since   1.0
 42  */
 43 public class Object {
 44 
 45     /**
 46      * Constructs a new object.
 47      */
 48     @IntrinsicCandidate
 49     public Object() {}
 50 
 51     /**
 52      * Returns the runtime class of this {@code Object}. The returned
 53      * {@code Class} object is the object that is locked by {@code
 54      * static synchronized} methods of the represented class.
 55      *
 56      * <p><b>The actual result type is {@code Class<? extends |X|>}
 57      * where {@code |X|} is the erasure of the static type of the
 58      * expression on which {@code getClass} is called.</b> For
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