Class java.io.ObjectStreamClass - JDK 5 Documentation v1.1.8, Java 2 SDK 英文文档

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Class java.io.ObjectStreamClass

java.lang.Object
   |
   +----java.io.ObjectStreamClass

public class ObjectStreamClass
extends Object
implements Serializable

A ObjectStreamClass describes a class that can be serialized to a stream or a class that was serialized to a stream. It contains the name and the serialVersionUID of the class.
The ObjectStreamClass for a specific class loaded in this Java VM can be found using the lookup method.

forClass(): Return the class in the local VM that this version is mapped to.
getName(): The name of the class described by this descriptor.
getSerialVersionUID(): Return the serialVersionUID for this class.
lookup(Class): Find the descriptor for a class that can be serialized.
toString(): Return a string describing this ObjectStreamClass.

lookup

 public static ObjectStreamClass lookup(Class cl)

Find the descriptor for a class that can be serialized. Null is returned if the specified class does not implement java.io.Serializable or java.io.Externalizable.

getName

 public String getName()

The name of the class described by this descriptor.

getSerialVersionUID

 public long getSerialVersionUID()

Return the serialVersionUID for this class. The serialVersionUID defines a set of classes all with the same name that have evolved from a common root class and agree to be serialized and deserialized using a common format.

forClass

 public Class forClass()

Return the class in the local VM that this version is mapped to. Null is returned if there is no corresponding local class.

toString

 public String toString()

Return a string describing this ObjectStreamClass.

Overrides:: toString in class Object

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