1 /* TestGarbageCollector.java -- Tests the garbage collector beans.
2 Copyright (C) 2006 Free Software Foundation, Inc.
4 This file is part of GNU Classpath examples.
6 GNU Classpath is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU Classpath is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU Classpath; see the file COPYING. If not, write to the
18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
21 package gnu.classpath.examples.management;
23 import java.lang.management.GarbageCollectorMXBean;
24 import java.lang.management.ManagementFactory;
26 import java.util.Arrays;
27 import java.util.Iterator;
29 public class TestGarbageCollector
32 public static void main(String[] args)
34 Iterator beans = ManagementFactory.getGarbageCollectorMXBeans().iterator();
35 while (beans.hasNext())
37 GarbageCollectorMXBean bean = (GarbageCollectorMXBean) beans.next();
38 System.out.println("Bean: " + bean);
39 System.out.println("Name: " + bean.getName());
40 System.out.println("Memory pool names: "
41 + Arrays.toString(bean.getMemoryPoolNames()));
42 System.out.println("Is valid: "
43 + (bean.isValid() ? "yes" : "no"));
44 System.out.println("Collection count: "
45 + bean.getCollectionCount());
46 System.out.println("Collection time: "
47 + bean.getCollectionTime() + "ms");