| Package | Description | 
|---|---|
| java.lang | Provides classes that are fundamental to the design of the Java
 programming language. | 
| java.lang.reflect | Provides classes and interfaces for obtaining reflective
 information about classes and objects. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | UnsupportedClassVersionErrorThrown when the Java Virtual Machine attempts to read a class
 file and determines that the major and minor version numbers
 in the file are not supported. | 
| Modifier and Type | Method and Description | 
|---|---|
| protected Class<?> | ClassLoader. defineClass(byte[] b,
           int off,
           int len)Deprecated. 
 Replaced by  defineClass(String, byte[], int, int) | 
| protected Class<?> | ClassLoader. defineClass(String name,
           byte[] b,
           int off,
           int len)Converts an array of bytes into an instance of class Class. | 
| protected Class<?> | ClassLoader. defineClass(String name,
           byte[] b,
           int off,
           int len,
           ProtectionDomain protectionDomain)Converts an array of bytes into an instance of class Class,
 with an optional ProtectionDomain. | 
| protected Class<?> | ClassLoader. defineClass(String name,
           ByteBuffer b,
           ProtectionDomain protectionDomain)Converts a  ByteBufferinto an instance of class Class,
 with an optional ProtectionDomain. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | GenericSignatureFormatErrorThrown when a syntactically malformed signature attribute is
 encountered by a reflective method that needs to interpret the
 generic signature information for a type, method or constructor. | 
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For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
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