JDK8/Java8源码在线阅读

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
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package com.sun.management;
import javax.management.openmbean.CompositeData;
import javax.management.openmbean.CompositeType;

/**
 * Platform-specific management interface for a garbage collector
 * which performs collections in cycles.
 *
 * <p> This platform extension is only available to the garbage
 * collection implementation that supports this extension.
 *
 * @author  Mandy Chung
 * @since   1.5
 */
@jdk.Exported
public interface GarbageCollectorMXBean
    extends java.lang.management.GarbageCollectorMXBean {

    /**
     * Returns the GC information about the most recent GC.
     * This method returns a {@link GcInfo}.
     * If no GC information is available, <tt>null</tt> is returned.
     * The collector-specific attributes, if any, can be obtained
     * via the {@link CompositeData CompositeData} interface.
     * <p>
     * <b>MBeanServer access:</b>
     * The mapped type of <tt>GcInfo</tt> is <tt>CompositeData</tt>

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