1 /*
2  * Copyright (C) 2006 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 import java.io.Serializable;
18 
19 /**
20  * Test some instanceof stuff.
21  */
22 public class InstanceTest {
main(String[] args)23     public static void main(String[] args) {
24         System.out.println("instance begin");
25 
26         X x = new X();
27         X[] xar = new X[1];
28         X[][] xarar = new X[1][1];
29         X[][][] xararar = new X[1][1][1];
30         Y y = new Y();
31         Y[] yar = new Y[1];
32         Y[][] yarar = new Y[1][1];
33         Y[][][] yararar = new Y[1][1][1];
34         int[] iar = new int[1];
35         int[][] iarar = new int[1][1];
36         Object test;
37 
38         test = x;
39         System.out.println("x instanceof X (true): " + (test instanceof X));
40         System.out.println("x instanceof Y (false): " + (test instanceof Y));
41         test = y;
42         System.out.println("y instanceof X (true): " + (test instanceof X));
43         System.out.println("y instanceof Y (true): " + (test instanceof Y));
44 
45         test = xar;
46         System.out.println("xar instanceof Object (true): "
47             + (test instanceof Object));
48         System.out.println("xar instanceof X (false): "
49             + (test instanceof X));
50         System.out.println("xar instanceof X[] (true): "
51             + (test instanceof X[]));
52         System.out.println("xar instanceof Y[] (false): "
53             + (test instanceof Y[]));
54         System.out.println("xar instanceof Object[] (true): "
55             + (test instanceof Object[]));
56         System.out.println("xar instanceof X[][] (false): "
57             + (test instanceof X[][]));
58         test = yar;
59         System.out.println("yar instanceof X[] (true): "
60             + (test instanceof X[]));
61 
62         test = xararar;
63         System.out.println("xararar instanceof Object (true): "
64             + (test instanceof Object));
65         System.out.println("xararar instanceof Object[] (true): "
66             + (test instanceof Object[]));
67         System.out.println("xararar instanceof X (false): "
68             + (test instanceof X));
69         System.out.println("xararar instanceof X[] (false): "
70             + (test instanceof X[]));
71         System.out.println("xararar instanceof X[][] (false): "
72             + (test instanceof X[][]));
73         System.out.println("xararar instanceof X[][][] (true): "
74             + (test instanceof X[][][]));
75         System.out.println("xararar instanceof Object[][][] (true): "
76             + (test instanceof Object[][][]));
77 
78         System.out.println("xararar instanceof Serializable (true): "
79             + (test instanceof Serializable));
80         System.out.println("xararar instanceof Serializable[] (true): "
81             + (test instanceof Serializable[]));
82         System.out.println("xararar instanceof Serializable[][] (true): "
83             + (test instanceof Serializable[][]));
84         System.out.println("xararar instanceof Serializable[][][] (false): "
85             + (test instanceof Serializable[][][]));
86 
87         test = yararar;
88         System.out.println("yararar instanceof X[][][] (true): "
89             + (test instanceof X[][][]));
90 
91         test = iar;
92         System.out.println("iar instanceof Object (true): "
93             + (test instanceof Object));
94         System.out.println("iar instanceof Object[] (false): "
95             + (test instanceof Object[]));
96 
97         test = iarar;
98         System.out.println("iarar instanceof Object (true): "
99             + (test instanceof Object));
100         System.out.println("iarar instanceof Object[] (true): "
101             + (test instanceof Object[]));
102         System.out.println("iarar instanceof Object[][] (false): "
103             + (test instanceof Object[][]));
104 
105         System.out.println("instanceof end");
106     }
107 }
108