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Java Class Loaded and Initialized

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java

class loaded and initialized

java -verbose:class -classpath . org.solarex.TestClassLoader get information about each class loaded.The “-verbose:class” option displays information about each class loaded.

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package org.solarex.test;
public class A{
  public void method(){
      System.out.println("inside of A");
  }
}

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package org.solarex.test;
public void TestLoader{
  public static void main(String[] args){
      System.out.println("Hello,world\n");
      // A aInstance = new A();
      // aInstance.method();
  }
}

javac -d . *.java,java -verbose:class -classpath . org.solarex.test.TestLoader得到结果:

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#loader.before
[Opened /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Object from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.Serializable from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Comparable from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.CharSequence from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.String from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.reflect.GenericDeclaration from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.reflect.Type from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.reflect.AnnotatedElement from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Class from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Cloneable from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.ClassLoader from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.System from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Throwable from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Error from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.ThreadDeath from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Exception from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.RuntimeException from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.security.ProtectionDomain from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.security.AccessControlContext from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.ClassNotFoundException from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.LinkageError from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.NoClassDefFoundError from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.ClassCastException from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.ArrayStoreException from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.VirtualMachineError from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.OutOfMemoryError from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.StackOverflowError from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.IllegalMonitorStateException from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.ref.Reference from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.ref.SoftReference from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.ref.WeakReference from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.ref.FinalReference from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.ref.PhantomReference from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.ref.Finalizer from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Runnable from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Thread from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Thread$UncaughtExceptionHandler from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.ThreadGroup from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.Map from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.Dictionary from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.Hashtable from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.Properties from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.reflect.AccessibleObject from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.reflect.Member from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.reflect.Field from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.reflect.Method from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.reflect.Constructor from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.reflect.MagicAccessorImpl from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.reflect.MethodAccessor from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.reflect.MethodAccessorImpl from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.reflect.ConstructorAccessor from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.reflect.ConstructorAccessorImpl from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.reflect.DelegatingClassLoader from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.reflect.ConstantPool from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.reflect.FieldAccessor from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.reflect.FieldAccessorImpl from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.reflect.UnsafeFieldAccessorImpl from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.reflect.UnsafeStaticFieldAccessorImpl from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Appendable from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.AbstractStringBuilder from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.StringBuffer from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.StringBuilder from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.StackTraceElement from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.nio.Buffer from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.misc.AtomicLong from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.misc.AtomicLongCSImpl from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.misc.PostVMInitHook from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Boolean from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Character from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Number from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Float from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Double from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Byte from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Short from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Integer from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Long from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.NullPointerException from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.ArithmeticException from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.ObjectStreamField from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.Comparator from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.String$CaseInsensitiveComparator from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.security.Guard from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.security.Permission from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.security.BasicPermission from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.RuntimePermission from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.AbstractMap from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.misc.SoftCache from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.ref.ReferenceQueue from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.ref.ReferenceQueue$Null from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.ref.ReferenceQueue$Lock from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.HashMap from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.Map$Entry from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.HashMap$Entry from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.security.AccessController from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.misc.JavaSecurityAccess from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.security.AccessControlContext$1 from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.misc.SharedSecrets from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.misc.Unsafe from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.IncompatibleClassChangeError from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.NoSuchMethodError from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.reflect.Reflection from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.Collections from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Iterable from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.Collection from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.Set from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.AbstractCollection from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.AbstractSet from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.Collections$EmptySet from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.RandomAccess from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.List from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.AbstractList from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.Collections$EmptyList from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.Collections$EmptyMap from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.Collections$ReverseComparator from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.Collections$SynchronizedMap from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.reflect.ReflectPermission from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.security.PrivilegedAction from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.reflect.ReflectionFactory$GetReflectionFactoryAction from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.Vector from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.Stack from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.reflect.ReflectionFactory from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.ref.Reference$Lock from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.ref.Reference$ReferenceHandler from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.ref.Finalizer$FinalizerThread from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.Enumeration from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.Hashtable$EmptyEnumerator from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.Iterator from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.Hashtable$EmptyIterator from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.Hashtable$Entry from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.nio.charset.Charset from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.nio.charset.spi.CharsetProvider from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.nio.cs.FastCharsetProvider from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.nio.cs.StandardCharsets from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.util.PreHashedMap from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.nio.cs.StandardCharsets$Aliases from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.nio.cs.StandardCharsets$Classes from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.nio.cs.StandardCharsets$Cache from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.ThreadLocal from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.concurrent.atomic.AtomicInteger from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Class$3 from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.reflect.Modifier from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.reflect.LangReflectAccess from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.reflect.ReflectAccess from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.StringValue from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.Arrays from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Math from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.nio.cs.HistoricallyNamedCharset from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.nio.cs.Unicode from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.nio.cs.UTF_8 from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Class$1 from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.reflect.ReflectionFactory$1 from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.reflect.NativeConstructorAccessorImpl from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.reflect.DelegatingConstructorAccessorImpl from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.misc.VM from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.StringCoding from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.ThreadLocal$ThreadLocalMap from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.ThreadLocal$ThreadLocalMap$Entry from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.StringCoding$StringDecoder from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.nio.charset.CharsetDecoder from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.nio.cs.UTF_8$Decoder from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.nio.charset.CodingErrorAction from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.nio.ByteBuffer from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.nio.HeapByteBuffer from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.nio.Bits from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.misc.JavaNioAccess from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.nio.Bits$1 from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.nio.ByteOrder from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Readable from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.nio.CharBuffer from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.nio.HeapCharBuffer from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.nio.charset.CoderResult from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.nio.charset.CoderResult$Cache from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.nio.charset.CoderResult$1 from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.nio.charset.CoderResult$2 from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.misc.Version from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.misc.JavaLangAccess from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.System$2 from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Runtime from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.File from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.FileSystem from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.UnixFileSystem from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.ExpiringCache from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.LinkedHashMap from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.ExpiringCache$1 from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.LinkedHashMap$Entry from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.security.action.GetPropertyAction from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.misc.JavaIOFileAccess from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.File$1 from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.jkernel.DownloadManager from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.jkernel.DownloadManager$1 from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.jkernel.DownloadManager$2 from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.StringCoding$StringEncoder from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.nio.charset.CharsetEncoder from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.nio.cs.UTF_8$Encoder from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.ClassLoader$3 from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.ExpiringCache$Entry from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.ClassLoader$NativeLibrary from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.Closeable from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.InputStream from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.FileInputStream from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.FileDescriptor from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.misc.JavaIOFileDescriptorAccess from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.FileDescriptor$1 from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.Flushable from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.OutputStream from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.FileOutputStream from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.FilterInputStream from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.BufferedInputStream from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.concurrent.atomic.AtomicReferenceFieldUpdater from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.concurrent.atomic.AtomicReferenceFieldUpdater$AtomicReferenceFieldUpdaterImpl from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.reflect.misc.ReflectUtil from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.FilterOutputStream from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.PrintStream from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.BufferedOutputStream from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.Writer from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.OutputStreamWriter from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.nio.cs.StreamEncoder from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.BufferedWriter from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Terminator from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.misc.SignalHandler from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Terminator$1 from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.misc.Signal from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.misc.NativeSignalHandler from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.misc.OSEnvironment from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Compiler from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Compiler$1 from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.misc.Launcher from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.net.URLStreamHandlerFactory from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.misc.Launcher$Factory from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.security.SecureClassLoader from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.net.URLClassLoader from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.misc.Launcher$ExtClassLoader from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.security.util.Debug from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Package from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.net.URL from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.security.CodeSource from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Void from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.security.cert.Certificate from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.ClassFormatError from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.IllegalArgumentException from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.IOException from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.misc.URLClassPath from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.AssertionStatusDirectives from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.misc.JavaNetAccess from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.net.URLClassLoader$7 from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.security.PermissionCollection from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.StringTokenizer from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.security.PrivilegedExceptionAction from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.misc.Launcher$ExtClassLoader$1 from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.misc.MetaIndex from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.Reader from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.BufferedReader from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.InputStreamReader from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.FileReader from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.nio.cs.StreamDecoder from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.ArrayList from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.reflect.Array from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.net.www.ParseUtil from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.BitSet from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.ObjectStreamClass from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.net.URL$1 from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.Locale from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.concurrent.ConcurrentMap from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.concurrent.ConcurrentHashMap from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.concurrent.locks.Lock from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.concurrent.locks.ReentrantLock from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.concurrent.ConcurrentHashMap$Segment from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.concurrent.locks.AbstractOwnableSynchronizer from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.concurrent.locks.AbstractQueuedSynchronizer from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.concurrent.locks.ReentrantLock$Sync from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.concurrent.locks.ReentrantLock$NonfairSync from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.concurrent.locks.AbstractQueuedSynchronizer$Node from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.concurrent.ConcurrentHashMap$HashEntry from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.CharacterDataLatin1 from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.net.Parts from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.net.URLStreamHandler from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.net.www.protocol.file.Handler from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.HashSet from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.net.www.protocol.jar.Handler from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.misc.Launcher$AppClassLoader from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.misc.Launcher$AppClassLoader$1 from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.SystemClassLoaderAction from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.net.URLClassLoader$1 from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.net.util.URLUtil from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.misc.URLClassPath$3 from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.misc.URLClassPath$Loader from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.misc.URLClassPath$JarLoader from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.security.PrivilegedActionException from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.misc.URLClassPath$FileLoader from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.misc.Resource from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.misc.URLClassPath$FileLoader$1 from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.nio.ByteBuffered from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.security.Permissions from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.net.URLConnection from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.net.www.URLConnection from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.net.www.protocol.file.FileURLConnection from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.net.ContentHandler from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.net.UnknownContentHandler from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.net.www.MessageHeader from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.FilePermission from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.FilePermission$1 from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.security.Policy from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.security.provider.PolicyFile from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.security.Policy$UnsupportedEmptyCollection from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.util.concurrent.atomic.AtomicReference from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.security.Policy$PolicyInfo from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.io.FilePermissionCollection from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.security.AllPermission from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.security.UnresolvedPermission from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.security.BasicPermissionCollection from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded sun.misc.JavaSecurityProtectionDomainAccess from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.security.ProtectionDomain$2 from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.security.ProtectionDomain$Key from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.security.Principal from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded org.solarex.test.TestLoader from file:/home/hrh/tmp/]
Hello,world
[Loaded java.lang.Shutdown from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Shutdown$Lock from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]

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#loader.after
#diff loader.before loader.after
...
[Loaded java.security.Principal from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded org.solarex.test.TestLoader from file:/home/hrh/tmp/]
Hello,world
[Loaded org.solarex.test.A from file:/home/hrh/tmp/]
inside of A
[Loaded java.lang.Shutdown from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]
[Loaded java.lang.Shutdown$Lock from /opt/jvm/jdk6u45/jdk1.6.0_45/jre/lib/rt.jar]

In summary,a class is loaded:

  • when the new bytecode is executed,eg. SomeClass sc = new SomeClass()
  • when the bytecodes make a static reference to a class,eg. System.out

A class is initialized when a symbol in the class is first used.When a class is loaded it is not initialized.JVM will initialize superclass and fields in textual order, initialize static,final fields first, and give every field a default value before initialization.

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