Main.java revision 21b4bf89b4454d2af88762200e5d8b42e0d36cf4
1/*
2 * Copyright (C) 2011 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
17import java.util.ArrayList;
18import java.util.List;
19
20public class Main implements Runnable {
21    public static void main(String[] args) throws Exception {
22        Thread[] threads = new Thread[16];
23        for (int i = 0; i < threads.length; i++) {
24            threads[i] = new Thread(new Main(i));
25        }
26        for (Thread thread : threads) {
27            thread.start();
28        }
29        for (Thread thread : threads) {
30            thread.join();
31        }
32    }
33
34    private final int id;
35
36    private Main(int id) {
37        this.id = id;
38        // Allocate this early so it's independent of how the threads are scheduled on startup.
39        this.l = new ArrayList<Object>();
40    }
41
42    public void run() {
43        for (int i = 0; i < 1000; i++) {
44            try {
45                l.add(new ArrayList<Object>(i));
46            } catch (OutOfMemoryError oom) {
47                // Ignore.
48            }
49        }
50    }
51
52    private List<Object> l;
53}
54