类层次结构
- java.lang.Object 
       
- javax.xml.crypto.KeySelector
 - javax.xml.crypto.KeySelector.Purpose
 - javax.xml.crypto.OctetStreamData (implements javax.xml.crypto.Data)
 - java.lang.Throwable (implements java.io.Serializable) 
         
- java.lang.异常 
           
- javax.xml.crypto.KeySelectorException
 - javax.xml.crypto.MarshalException
 - java.lang.RuntimeException 
             
- javax.xml.crypto.NoSuchMechanismException
 
 - javax.xml.crypto.URIReferenceException
 
 
 - java.lang.异常 
           
 
 
Interface Hierarchy
- javax.xml.crypto.AlgorithmMethod
 - javax.xml.crypto.Data 
       
- javax.xml.crypto.NodeSetData<T> (also extends java.lang.Iterable<T>)
 
 - java.lang.Iterable<T> 
       
- javax.xml.crypto.NodeSetData<T> (also extends javax.xml.crypto.Data)
 
 - javax.xml.crypto.KeySelectorResult
 - javax.xml.crypto.URIDereferencer
 - javax.xml.crypto.URIReference
 - javax.xml.crypto.XMLCryptoContext
 - javax.xml.crypto.XMLStructure