23  * questions.

    23  * questions.

    24  */

    24  */

    25 

    25 

    26 package java.lang;

    26 package java.lang;

    27 

    27 

    28 /**

    30 /**

    29  * Slightly modified version of java.lang.Object that replaces

    31  * Slightly modified version of java.lang.Object that replaces

    30  * finalize() by finalizeObject() to avoid overriding in subclasses.

    32  * finalize() by finalizeObject() to avoid overriding in subclasses.

    31  */

    33  */

    32 public class Object {

    34 public class Object {

    33 

    35 

    34     private static native void registerNatives();

    39     private static native void registerNatives();

    35     static {

    40     static {

    36         registerNatives();

    41         registerNatives();

    37     }

    42     }

    38 

    43 

    39     public final native Class<?> getClass();

    45     public final native Class<?> getClass();

    40 

    46 

    41     public native int hashCode();

    48     public native int hashCode();

    42 

    49 

    43     public boolean equals(Object obj) {

    50     public boolean equals(Object obj) {

    44         return (this == obj);

    51         return (this == obj);

    45     }

    52     }

    46 

    53 

    47     protected native Object clone() throws CloneNotSupportedException;

    55     protected native Object clone() throws CloneNotSupportedException;

    48 

    56 

    49     public String toString() {

    57     public String toString() {

    50         return getClass().getName() + "@" + Integer.toHexString(hashCode());

    58         return getClass().getName() + "@" + Integer.toHexString(hashCode());

    51     }

    59     }