| 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  | ClassNotFoundExceptionThrown when an application tries to load in a class through its
 string name using:
 
 The  forNamemethod in classClass. | 
| class  | IllegalAccessExceptionAn IllegalAccessException is thrown when an application tries
 to reflectively create an instance (other than an array),
 set or get a field, or invoke a method, but the currently
 executing method does not have access to the definition of
 the specified class, field, method or constructor. | 
| class  | InstantiationExceptionThrown when an application tries to create an instance of a class
 using the  newInstancemethod in classClass, but the specified class object cannot be
 instantiated. | 
| class  | NoSuchFieldExceptionSignals that the class doesn't have a field of a specified name. | 
| class  | NoSuchMethodExceptionThrown when a particular method cannot be found. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | InvocationTargetExceptionInvocationTargetException is a checked exception that wraps
 an exception thrown by an invoked 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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