ClassLoadingMXBean

case

import java.lang.management.ClassLoadingMXBean;
import java.lang.management.ManagementFactory; public class Test {
{
ClassLoadingMXBean classLoadingMXBean = ManagementFactory.getClassLoadingMXBean();
System.out.println(classLoadingMXBean.isVerbose());
System.out.println(classLoadingMXBean.getTotalLoadedClassCount());
System.out.println(classLoadingMXBean.getLoadedClassCount());
System.out.println(classLoadingMXBean.getUnloadedClassCount());
} public static void main(String[] args) {
new Test();
}
}
  • Tests if the verbose output for the class loading system is enabled.
  • Returns the total number of classes that have been loaded since the Java virtual machine has started execution.
  • Returns the number of classes that are currently loaded in the Java virtual machine.
  • Returns the total number of classes unloaded since the Java virtual machine has started execution.

启用详细输出

-verbose:[class|gc|jni]

输出结果:

 [Loaded java.lang.Object from shared objects file]
[Loaded java.io.Serializable from shared objects file]
[Loaded java.lang.Comparable from shared objects file]
[Loaded java.lang.CharSequence from shared objects file]
[Loaded java.lang.String from shared objects file]
[Loaded java.lang.reflect.GenericDeclaration from shared objects file]
[Loaded java.lang.reflect.Type from shared objects file]
[Loaded java.lang.reflect.AnnotatedElement from shared objects file]
[Loaded java.lang.Class from shared objects file]
[Loaded java.lang.Cloneable from shared objects file]
[Loaded java.lang.ClassLoader from shared objects file]
[Loaded java.lang.System from shared objects file]
[Loaded java.lang.Throwable from shared objects file]
[Loaded java.lang.Error from shared objects file]
[Loaded java.lang.ThreadDeath from shared objects file]
[Loaded java.lang.Exception from shared objects file]
[Loaded java.lang.RuntimeException from shared objects file]
[Loaded java.security.ProtectionDomain from shared objects file]
[Loaded java.security.AccessControlContext from shared objects file]
[Loaded java.lang.ReflectiveOperationException from shared objects file]
[Loaded java.lang.ClassNotFoundException from shared objects file]
[Loaded java.lang.LinkageError from shared objects file]
[Loaded java.lang.NoClassDefFoundError from shared objects file]
[Loaded java.lang.ClassCastException from shared objects file]
[Loaded java.lang.ArrayStoreException from shared objects file]
[Loaded java.lang.VirtualMachineError from shared objects file]
[Loaded java.lang.OutOfMemoryError from shared objects file]
[Loaded java.lang.StackOverflowError from shared objects file]
[Loaded java.lang.IllegalMonitorStateException from shared objects file]
[Loaded java.lang.ref.Reference from shared objects file]
[Loaded java.lang.ref.SoftReference from shared objects file]
[Loaded java.lang.ref.WeakReference from shared objects file]
[Loaded java.lang.ref.FinalReference from shared objects file]
[Loaded java.lang.ref.PhantomReference from shared objects file]
[Loaded java.lang.ref.Finalizer from shared objects file]
[Loaded java.lang.Runnable from shared objects file]
[Loaded java.lang.Thread from shared objects file]
[Loaded java.lang.Thread$UncaughtExceptionHandler from shared objects file]
[Loaded java.lang.ThreadGroup from shared objects file]
[Loaded java.util.Dictionary from shared objects file]
[Loaded java.util.Map from shared objects file]
[Loaded java.util.Hashtable from shared objects file]
[Loaded java.util.Properties from shared objects file]
[Loaded java.lang.reflect.AccessibleObject from shared objects file]
[Loaded java.lang.reflect.Member from shared objects file]
[Loaded java.lang.reflect.Field from shared objects file]
[Loaded java.lang.reflect.Method from shared objects file]
[Loaded java.lang.reflect.Constructor from shared objects file]
[Loaded sun.reflect.MagicAccessorImpl from shared objects file]
[Loaded sun.reflect.MethodAccessor from shared objects file]
[Loaded sun.reflect.MethodAccessorImpl from shared objects file]
[Loaded sun.reflect.ConstructorAccessor from shared objects file]
[Loaded sun.reflect.ConstructorAccessorImpl from shared objects file]
[Loaded sun.reflect.DelegatingClassLoader from shared objects file]
[Loaded sun.reflect.ConstantPool from shared objects file]
[Loaded sun.reflect.FieldAccessor from shared objects file]
[Loaded sun.reflect.FieldAccessorImpl from shared objects file]
[Loaded sun.reflect.UnsafeFieldAccessorImpl from shared objects file]
[Loaded sun.reflect.UnsafeStaticFieldAccessorImpl from shared objects file]
[Loaded java.lang.invoke.MethodHandle from shared objects file]
[Loaded java.lang.invoke.MemberName from shared objects file]
[Loaded java.lang.invoke.MethodHandleNatives from shared objects file]
[Loaded java.lang.invoke.LambdaForm from shared objects file]
[Loaded java.lang.invoke.MethodType from shared objects file]
[Loaded java.lang.BootstrapMethodError from shared objects file]
[Loaded java.lang.invoke.CallSite from shared objects file]
[Loaded java.lang.invoke.ConstantCallSite from shared objects file]
[Loaded java.lang.invoke.MutableCallSite from shared objects file]
[Loaded java.lang.invoke.VolatileCallSite from shared objects file]
[Loaded java.lang.Appendable from shared objects file]
[Loaded java.lang.AbstractStringBuilder from shared objects file]
[Loaded java.lang.StringBuffer from shared objects file]
[Loaded java.lang.StringBuilder from shared objects file]
[Loaded java.lang.StackTraceElement from shared objects file]
[Loaded java.nio.Buffer from shared objects file]
[Loaded sun.misc.PostVMInitHook from shared objects file]
[Loaded java.lang.Boolean from shared objects file]
[Loaded java.lang.Character from shared objects file]
[Loaded java.lang.Number from shared objects file]
[Loaded java.lang.Float from shared objects file]
[Loaded java.lang.Double from shared objects file]
[Loaded java.lang.Byte from shared objects file]
[Loaded java.lang.Short from shared objects file]
[Loaded java.lang.Integer from shared objects file]
[Loaded java.lang.Long from shared objects file]
[Loaded java.io.ObjectStreamField from shared objects file]
[Loaded java.util.Comparator from shared objects file]
[Loaded java.lang.String$CaseInsensitiveComparator from shared objects file]
[Loaded java.security.Guard from shared objects file]
[Loaded java.security.Permission from shared objects file]
[Loaded java.security.BasicPermission from shared objects file]
[Loaded java.lang.RuntimePermission from shared objects file]
[Loaded java.security.AccessController from shared objects file]
[Loaded java.lang.reflect.ReflectPermission from shared objects file]
[Loaded java.security.PrivilegedAction from shared objects file]
[Loaded sun.reflect.ReflectionFactory$GetReflectionFactoryAction from shared objects file]
[Loaded java.security.cert.Certificate from shared objects file]
[Loaded java.lang.Iterable from shared objects file]
[Loaded java.util.Collection from shared objects file]
[Loaded java.util.AbstractCollection from shared objects file]
[Loaded java.util.List from shared objects file]
[Loaded java.util.AbstractList from shared objects file]
[Loaded java.util.RandomAccess from shared objects file]
[Loaded java.util.Vector from shared objects file]
[Loaded java.util.Stack from shared objects file]
[Loaded sun.reflect.ReflectionFactory from shared objects file]
[Loaded java.lang.ref.Reference$Lock from shared objects file]
[Loaded java.lang.ref.Reference$ReferenceHandler from shared objects file]
[Loaded java.lang.ref.ReferenceQueue from shared objects file]
[Loaded java.lang.ref.ReferenceQueue$Null from shared objects file]
[Loaded java.lang.ref.ReferenceQueue$Lock from shared objects file]
[Loaded java.lang.ref.Finalizer$FinalizerThread from shared objects file]
[Loaded java.util.Map$Entry from shared objects file]
[Loaded java.util.Hashtable$Entry from shared objects file]
[Loaded java.lang.Math from shared objects file]
[Loaded sun.misc.VM from shared objects file]
[Loaded java.nio.charset.Charset from shared objects file]
[Loaded java.nio.charset.spi.CharsetProvider from shared objects file]
[Loaded sun.nio.cs.FastCharsetProvider from shared objects file]
[Loaded sun.nio.cs.StandardCharsets from shared objects file]
[Loaded java.util.AbstractMap from shared objects file]
[Loaded sun.util.PreHashedMap from shared objects file]
[Loaded sun.nio.cs.StandardCharsets$Aliases from shared objects file]
[Loaded sun.nio.cs.StandardCharsets$Classes from shared objects file]
[Loaded sun.nio.cs.StandardCharsets$Cache from shared objects file]
[Loaded java.lang.ThreadLocal from shared objects file]
[Loaded java.util.concurrent.atomic.AtomicInteger from shared objects file]
[Loaded sun.misc.Unsafe from shared objects file]
[Loaded java.lang.IncompatibleClassChangeError from shared objects file]
[Loaded java.lang.NoSuchMethodError from shared objects file]
[Loaded java.util.ArrayList from shared objects file]
[Loaded java.util.Collections from shared objects file]
[Loaded java.util.Set from shared objects file]
[Loaded java.util.AbstractSet from shared objects file]
[Loaded java.util.Collections$EmptySet from shared objects file]
[Loaded java.util.Collections$EmptyList from shared objects file]
[Loaded java.util.Collections$EmptyMap from shared objects file]
[Loaded java.util.Collections$UnmodifiableCollection from shared objects file]
[Loaded java.util.Collections$UnmodifiableList from shared objects file]
[Loaded java.util.Collections$UnmodifiableRandomAccessList from shared objects file]
[Loaded sun.reflect.Reflection from shared objects file]
[Loaded java.util.HashMap from shared objects file]
[Loaded java.util.HashMap$Entry from shared objects file]
[Loaded java.util.HashMap$EntrySet from shared objects file]
[Loaded java.util.Iterator from shared objects file]
[Loaded java.util.HashMap$HashIterator from shared objects file]
[Loaded java.util.HashMap$EntryIterator from shared objects file]
[Loaded java.lang.Class$ from shared objects file]
[Loaded java.lang.reflect.Modifier from shared objects file]
[Loaded sun.reflect.LangReflectAccess from shared objects file]
[Loaded java.lang.reflect.ReflectAccess from shared objects file]
[Loaded java.util.Arrays from shared objects file]
[Opened C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded java.nio.charset.Charset$ from C:\Program Files\Java\jre7\lib\rt.jar]
[Opened C:\Program Files\Java\jre7\lib\charsets.jar]
[Loaded sun.nio.cs.AbstractCharsetProvider from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded sun.nio.cs.ext.ExtendedCharsets from C:\Program Files\Java\jre7\lib\charsets.jar]
[Loaded java.lang.Class$ from shared objects file]
[Loaded sun.reflect.ReflectionFactory$ from shared objects file]
[Loaded sun.reflect.NativeConstructorAccessorImpl from shared objects file]
[Loaded sun.reflect.DelegatingConstructorAccessorImpl from shared objects file]
[Loaded java.util.SortedMap from shared objects file]
[Loaded java.util.NavigableMap from shared objects file]
[Loaded java.util.TreeMap from shared objects file]
[Loaded sun.misc.ASCIICaseInsensitiveComparator from shared objects file]
[Loaded java.util.TreeMap$Entry from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded sun.nio.cs.HistoricallyNamedCharset from shared objects file]
[Loaded sun.nio.cs.ext.GBK from C:\Program Files\Java\jre7\lib\charsets.jar]
[Loaded java.lang.StringCoding from shared objects file]
[Loaded java.lang.ThreadLocal$ThreadLocalMap from shared objects file]
[Loaded java.lang.ThreadLocal$ThreadLocalMap$Entry from shared objects file]
[Loaded java.lang.StringCoding$StringDecoder from shared objects file]
[Loaded sun.nio.cs.ext.DoubleByte from C:\Program Files\Java\jre7\lib\charsets.jar]
[Loaded sun.nio.cs.ext.DelegatableDecoder from C:\Program Files\Java\jre7\lib\charsets.jar]
[Loaded java.nio.charset.CharsetDecoder from shared objects file]
[Loaded sun.nio.cs.ext.DoubleByte$Decoder from C:\Program Files\Java\jre7\lib\charsets.jar]
[Loaded java.nio.charset.CodingErrorAction from shared objects file]
[Loaded sun.nio.cs.ArrayDecoder from shared objects file]
[Loaded java.nio.ByteBuffer from shared objects file]
[Loaded java.nio.HeapByteBuffer from shared objects file]
[Loaded java.nio.Bits from shared objects file]
[Loaded java.nio.ByteOrder from shared objects file]
[Loaded sun.misc.JavaNioAccess from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded java.nio.Bits$ from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded sun.misc.SharedSecrets from shared objects file]
[Loaded java.lang.Readable from shared objects file]
[Loaded java.nio.CharBuffer from shared objects file]
[Loaded java.nio.HeapCharBuffer from shared objects file]
[Loaded java.nio.charset.CoderResult from shared objects file]
[Loaded java.nio.charset.CoderResult$Cache from shared objects file]
[Loaded java.nio.charset.CoderResult$ from shared objects file]
[Loaded java.nio.charset.CoderResult$ from shared objects file]
[Loaded java.util.Hashtable$EntrySet from shared objects file]
[Loaded java.util.Collections$SynchronizedCollection from shared objects file]
[Loaded java.util.Collections$SynchronizedSet from shared objects file]
[Loaded java.util.Enumeration from shared objects file]
[Loaded java.util.Hashtable$Enumerator from shared objects file]
[Loaded java.lang.Runtime from shared objects file]
[Loaded sun.misc.Version from shared objects file]
[Loaded java.lang.AutoCloseable from shared objects file]
[Loaded java.io.Closeable from shared objects file]
[Loaded java.io.InputStream from shared objects file]
[Loaded java.io.FileInputStream from shared objects file]
[Loaded java.io.FileDescriptor from shared objects file]
[Loaded sun.misc.JavaIOFileDescriptorAccess from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded java.io.FileDescriptor$ from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded java.io.Flushable from shared objects file]
[Loaded java.io.OutputStream from shared objects file]
[Loaded java.io.FileOutputStream from shared objects file]
[Loaded java.io.FilterInputStream from shared objects file]
[Loaded java.io.BufferedInputStream from shared objects file]
[Loaded java.util.concurrent.atomic.AtomicReferenceFieldUpdater from shared objects file]
[Loaded java.util.concurrent.atomic.AtomicReferenceFieldUpdater$AtomicReferenceFieldUpdaterImpl from shared objects file]
[Loaded sun.reflect.misc.ReflectUtil from shared objects file]
[Loaded java.lang.reflect.Proxy from shared objects file]
[Loaded java.lang.reflect.InvocationHandler from shared objects file]
[Loaded java.util.WeakHashMap from shared objects file]
[Loaded sun.misc.Hashing from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded java.util.WeakHashMap$Entry from shared objects file]
[Loaded java.util.Collections$SynchronizedMap from shared objects file]
[Loaded java.io.FilterOutputStream from shared objects file]
[Loaded java.io.PrintStream from shared objects file]
[Loaded java.io.BufferedOutputStream from shared objects file]
[Loaded java.io.Writer from shared objects file]
[Loaded java.io.OutputStreamWriter from shared objects file]
[Loaded sun.nio.cs.StreamEncoder from shared objects file]
[Loaded sun.security.action.GetPropertyAction from shared objects file]
[Loaded java.nio.charset.CharsetEncoder from shared objects file]
[Loaded sun.nio.cs.ext.DoubleByte$Encoder from C:\Program Files\Java\jre7\lib\charsets.jar]
[Loaded java.io.BufferedWriter from shared objects file]
[Loaded java.io.File from shared objects file]
[Loaded java.io.FileSystem from shared objects file]
[Loaded java.io.Win32FileSystem from shared objects file]
[Loaded java.io.WinNTFileSystem from shared objects file]
[Loaded java.io.ExpiringCache from shared objects file]
[Loaded java.util.LinkedHashMap from shared objects file]
[Loaded java.io.ExpiringCache$ from shared objects file]
[Loaded java.util.LinkedHashMap$Entry from shared objects file]
[Loaded java.lang.ClassLoader$ from shared objects file]
[Loaded java.lang.Enum from shared objects file]
[Loaded java.io.File$PathStatus from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded java.io.ExpiringCache$Entry from shared objects file]
[Loaded java.lang.ClassLoader$NativeLibrary from shared objects file]
[Loaded java.lang.StringCoding$StringEncoder from shared objects file]
[Loaded sun.nio.cs.ArrayEncoder from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded java.lang.Terminator from shared objects file]
[Loaded sun.misc.SignalHandler from shared objects file]
[Loaded java.lang.Terminator$ from shared objects file]
[Loaded sun.misc.Signal from shared objects file]
[Loaded sun.misc.NativeSignalHandler from shared objects file]
[Loaded sun.misc.OSEnvironment from shared objects file]
[Loaded sun.io.Win32ErrorMode from shared objects file]
[Loaded sun.misc.JavaLangAccess from shared objects file]
[Loaded java.lang.System$ from shared objects file]
[Loaded java.lang.NullPointerException from shared objects file]
[Loaded java.lang.ArithmeticException from shared objects file]
[Loaded java.lang.IllegalArgumentException from shared objects file]
[Loaded java.lang.Compiler from shared objects file]
[Loaded java.lang.Compiler$ from shared objects file]
[Loaded sun.misc.Launcher from shared objects file]
[Loaded java.net.URLStreamHandlerFactory from shared objects file]
[Loaded sun.misc.Launcher$Factory from shared objects file]
[Loaded java.security.SecureClassLoader from shared objects file]
[Loaded java.net.URLClassLoader from shared objects file]
[Loaded sun.misc.Launcher$ExtClassLoader from shared objects file]
[Loaded sun.security.util.Debug from shared objects file]
[Loaded java.lang.ClassLoader$ParallelLoaders from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded java.util.Random from shared objects file]
[Loaded java.util.concurrent.ThreadLocalRandom from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded java.util.concurrent.atomic.AtomicLong from shared objects file]
[Loaded java.util.concurrent.ThreadLocalRandom$ from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded java.util.WeakHashMap$Holder from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded java.util.Collections$SetFromMap from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded java.util.WeakHashMap$KeySet from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded sun.misc.JavaNetAccess from shared objects file]
[Loaded java.net.URLClassLoader$ from shared objects file]
[Loaded java.util.StringTokenizer from shared objects file]
[Loaded java.security.PrivilegedExceptionAction from shared objects file]
[Loaded sun.misc.Launcher$ExtClassLoader$ from shared objects file]
[Loaded sun.misc.MetaIndex from shared objects file]
[Loaded java.io.Reader from shared objects file]
[Loaded java.io.BufferedReader from shared objects file]
[Loaded java.io.InputStreamReader from shared objects file]
[Loaded java.io.FileReader from shared objects file]
[Loaded sun.nio.cs.StreamDecoder from shared objects file]
[Loaded sun.misc.IoTrace from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded java.lang.reflect.Array from shared objects file]
[Loaded java.util.HashMap$Holder from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded java.util.Locale from shared objects file]
[Loaded sun.util.locale.LocaleObjectCache from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded java.util.Locale$Cache from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded java.util.concurrent.ConcurrentMap from shared objects file]
[Loaded java.util.concurrent.ConcurrentHashMap from shared objects file]
[Loaded java.util.concurrent.ConcurrentHashMap$HashEntry from shared objects file]
[Loaded java.util.concurrent.locks.Lock from shared objects file]
[Loaded java.util.concurrent.locks.ReentrantLock from shared objects file]
[Loaded java.util.concurrent.ConcurrentHashMap$Segment from shared objects file]
[Loaded java.util.concurrent.ConcurrentHashMap$Holder from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded java.util.concurrent.locks.AbstractOwnableSynchronizer from shared objects file]
[Loaded java.util.concurrent.locks.AbstractQueuedSynchronizer from shared objects file]
[Loaded java.util.concurrent.locks.ReentrantLock$Sync from shared objects file]
[Loaded java.util.concurrent.locks.ReentrantLock$NonfairSync from shared objects file]
[Loaded java.util.concurrent.locks.AbstractQueuedSynchronizer$Node from shared objects file]
[Loaded sun.util.locale.BaseLocale from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded sun.util.locale.BaseLocale$Cache from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded sun.util.locale.BaseLocale$Key from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded sun.util.locale.LocaleObjectCache$CacheEntry from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded java.util.Locale$LocaleKey from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded sun.util.locale.LocaleUtils from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded java.lang.CharacterData from shared objects file]
[Loaded java.lang.CharacterDataLatin1 from shared objects file]
[Loaded sun.net.www.ParseUtil from shared objects file]
[Loaded java.util.BitSet from shared objects file]
[Loaded java.net.URL from shared objects file]
[Loaded java.util.Hashtable$Holder from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded java.net.URL$ from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded java.net.Parts from shared objects file]
[Loaded java.net.URLStreamHandler from shared objects file]
[Loaded sun.net.www.protocol.file.Handler from shared objects file]
[Loaded sun.misc.JavaSecurityAccess from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded java.security.ProtectionDomain$ from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded sun.misc.JavaSecurityProtectionDomainAccess from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded java.security.ProtectionDomain$ from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded java.security.CodeSource from shared objects file]
[Loaded java.security.ProtectionDomain$Key from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded java.security.Principal from shared objects file]
[Loaded java.util.HashSet from shared objects file]
[Loaded sun.misc.URLClassPath from shared objects file]
[Loaded sun.net.www.protocol.jar.Handler from shared objects file]
[Loaded sun.misc.Launcher$AppClassLoader from shared objects file]
[Loaded sun.misc.Launcher$AppClassLoader$ from shared objects file]
[Loaded java.lang.SystemClassLoaderAction from shared objects file]
[Loaded sun.launcher.LauncherHelper from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded java.net.URLClassLoader$ from shared objects file]
[Loaded sun.net.util.URLUtil from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded sun.misc.URLClassPath$ from shared objects file]
[Loaded sun.misc.URLClassPath$Loader from shared objects file]
[Loaded sun.misc.URLClassPath$JarLoader from shared objects file]
[Loaded java.util.zip.ZipConstants from shared objects file]
[Loaded java.util.zip.ZipFile from shared objects file]
[Loaded sun.misc.JavaUtilZipFileAccess from shared objects file]
[Loaded java.util.zip.ZipFile$ from shared objects file]
[Loaded sun.nio.cs.ThreadLocalCoders from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded sun.nio.cs.ThreadLocalCoders$Cache from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded sun.nio.cs.ThreadLocalCoders$ from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded sun.nio.cs.ThreadLocalCoders$ from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded sun.nio.cs.Unicode from shared objects file]
[Loaded sun.nio.cs.UTF_8 from shared objects file]
[Loaded sun.nio.cs.UTF_8$Decoder from shared objects file]
[Loaded java.security.PrivilegedActionException from shared objects file]
[Loaded sun.misc.URLClassPath$FileLoader from shared objects file]
[Loaded sun.misc.Resource from shared objects file]
[Loaded sun.misc.URLClassPath$FileLoader$ from shared objects file]
[Loaded java.lang.Package from shared objects file]
[Loaded sun.nio.ByteBuffered from shared objects file]
[Loaded sun.misc.PerfCounter from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded sun.misc.Perf$GetPerfAction from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded sun.misc.Perf from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded sun.misc.PerfCounter$CoreCounters from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded sun.nio.ch.DirectBuffer from shared objects file]
[Loaded java.nio.MappedByteBuffer from shared objects file]
[Loaded java.nio.DirectByteBuffer from shared objects file]
[Loaded java.nio.LongBuffer from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded java.nio.DirectLongBufferU from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded java.security.PermissionCollection from shared objects file]
[Loaded java.security.Permissions from shared objects file]
[Loaded java.net.URLConnection from shared objects file]
[Loaded sun.net.www.URLConnection from shared objects file]
[Loaded sun.net.www.protocol.file.FileURLConnection from shared objects file]
[Loaded sun.net.www.MessageHeader from shared objects file]
[Loaded java.io.FilePermission from shared objects file]
[Loaded java.io.FilePermission$ from shared objects file]
[Loaded java.io.FilePermissionCollection from shared objects file]
[Loaded java.security.AllPermission from shared objects file]
[Loaded java.security.UnresolvedPermission from shared objects file]
[Loaded java.security.BasicPermissionCollection from shared objects file]
[Loaded cn.zno.outofmomery.Test from file:/E:/e/workspace/executable/target/classes/]
[Loaded java.lang.Void from shared objects file]
[Loaded java.lang.management.ManagementFactory from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded sun.management.ManagementFactoryHelper from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded sun.security.action.LoadLibraryAction from shared objects file]
[Loaded sun.management.VMManagement from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded sun.management.VMManagementImpl from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded java.lang.management.PlatformManagedObject from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded java.lang.management.ClassLoadingMXBean from C:\Program Files\Java\jre7\lib\rt.jar]
[Loaded sun.management.ClassLoadingImpl from C:\Program Files\Java\jre7\lib\rt.jar]
true [Loaded java.lang.Shutdown from shared objects file]
[Loaded java.lang.Shutdown$Lock from shared objects file]

看行号,去掉两个Opened

ManagementFactory (一) getClassLoadingMXBean的更多相关文章

  1. java 利用ManagementFactory获取jvm,os的一些信息--转

    原文地址:http://blog.csdn.net/dream_broken/article/details/49759043 想了解下某个Java项目的运行时jvm的情况,可以使用一些监控工具,比如 ...

  2. java监控之ManagementFactory分析

    The ManagementFactory class is a factory class for getting managed beans for the Java platform. This ...

  3. ManagementFactory cannot be resolved

    ManagementFactory cannot be resolved 问题描述: (1)ManagementFactory cannot be resolved or (2)Type The ty ...

  4. ManagementFactory (二) getMemoryMXBean

    MemoryMXBean package cn.zno.outofmomery; import java.lang.management.ManagementFactory; import java. ...

  5. The type sun.management.ManagementFactory is not visible

    Eclipse默认将这些受访问限制的API设成了Error.解决方法:只要将Windows---Preferences---Java--Complicer---Errors/Warings里面的Dep ...

  6. ManagementFactory (简介)

    Java Management Extensions (JMX) is a Java technology that supplies tools for managing and monitorin ...

  7. JVM Management API

    JVM本身提供了一组管理的API,通过该API,我们可以获取得到JVM内部主要运行信息,包括内存各代的数据.JVM当前所有线程及其栈相关信 息等等.各种JDK自带的剖析工具,包括jps.jstack. ...

  8. JVM监测&工具[转]

    通过工具及Java api来监测JVM的运行状态, 需要监测的数据:(内存使用情况 谁使用了内存 GC的状况) 内存使用情况--heap&PermGen @ 表示通过jmap –heap pi ...

  9. Flink - metrics

      Metrics是以MetricsGroup来组织的 MetricGroup MetricGroup 这就是个metric容器,里面可以放subGroup,或者各种metric 所以主要的接口就是注 ...

随机推荐

  1. SGU 275 To xor or not to xor (高斯消元)

    题目链接 题意:有n个数,范围是[0, 10^18],n最大为100,找出若干个数使它们异或的值最大并输出这个最大值. 分析: 一道高斯消元的好题/ 我们把每个数用二进制表示,要使得最后的异或值最大, ...

  2. UVa 10375 (唯一分解定理) Choose and divide

    题意: 求组合数C(p, q) / C(r, s)结果保留5为小数. 分析: 先用筛法求出10000以内的质数,然后计算每个素数对应的指数,最后再根据指数计算答案. #include <cstd ...

  3. BZOJ2337: [HNOI2011]XOR和路径

    题解: 异或操作是每一位独立的,所以我们可以考虑每一位分开做. 假设当前正在处理第k位 那令f[i]表示从i到n 为1的概率.因为不是有向无环图(绿豆蛙的归宿),所以我们要用到高斯消元. 若有边i-& ...

  4. POJ 2584 T-Shirt Gumbo (二分图多重最大匹配)

    题意 现在要将5种型号的衣服分发给n个参赛者,然后给出每个参赛者所需要的衣服的尺码的大小范围,在该尺码范围内的衣服该选手可以接受,再给出这5种型号衣服各自的数量,问是否存在一种分配方案使得每个选手都能 ...

  5. 如何解决重启数据库时报ORA-01031无法登数据库

    问题现象:以无用户方式登录数据库,重启或关闭数据时,遇到下列问题: C:\Documents and Settings\xuzhengzhu>sqlplus /nolog SQL*Plus: R ...

  6. ASP.NET 经典60道面试题

    转:http://bbs.chinaunix.net/thread-4065577-1-1.html ASP.NET 经典60道面试题 1. 简述 private. protected. public ...

  7. android 应用页面与数据申请逻辑剥离;

    1.页面与数据申请剥离,数据申请框架可以灵活更换,解耦合: 2.对应页面的数据申请类中,将返回数据解析剥离,灵活更换数据返回及对应解析: 二.模块划分: 1.一些通用的工具类,可以考虑迁移到com.c ...

  8. wifi详解(一)

    1        WLAN技术 WLAN是英文WirelessLAN的缩写,就是无线局域网的意思.无线以太网技术是一种基于无线传输的局域网技术,与有线网络技术相比,具有灵活.建网迅速.个人化等特点.将 ...

  9. java web 学习一

    一.基本概念 1.1.WEB开发的相关知识 WEB,在英语中web即表示网页的意思,它用于表示Internet主机上供外界访问的资源. Internet上供外界访问的Web资源分为: 静态web资源( ...

  10. xml-xml试题

    ylbtech-doc:xml-xml试题 xml试题 1.A,xml试题返回顶部 01.{XML题目}关于XML声明正确的是.(选择1项) A)<!xml version=”1.0”!> ...