01: /*
02: * Copyright 2006 Google Inc.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License"); you may not
05: * use this file except in compliance with the License. You may obtain a copy of
06: * the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12: * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13: * License for the specific language governing permissions and limitations under
14: * the License.
15: */
16: package java.lang;
17:
18: /**
19: * The superclass of all other types. The GWT emulation library supports a
20: * limited subset of methods on <code>Object</code> due to browser
21: * limitations. The methods documented here are the only ones available.
22: */
23: public class Object {
24:
25: /**
26: * magic magic magic.
27: *
28: * @skip
29: */
30: protected transient int typeId;
31:
32: public native boolean equals(Object other) /*-{
33: return this === other;
34: }-*/;
35:
36: /*
37: * Magic; unlike the real JDT, we don't spec this method as final. The
38: * compiler will generate a polymorphic override on every other class which
39: * will return the correct class object.
40: */
41: public Class<? extends Object> getClass() {
42: return Object.class;
43: }
44:
45: public int hashCode() {
46: return System.identityHashCode(this );
47: }
48:
49: public String toString() {
50: return getClass().getName() + "@" + hashCode();
51: }
52:
53: /**
54: * Never called.
55: *
56: * @skip
57: */
58: protected void finalize() throws Throwable {
59: }
60: }
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