| Package | Description | 
|---|---|
| java.lang.invoke | The  java.lang.invokepackage contains dynamic language support provided directly by
 the Java core class libraries and virtual machine. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | ConstantCallSiteA  ConstantCallSiteis aCallSitewhose target is permanent, and can never be changed. | 
| class  | MutableCallSiteA  MutableCallSiteis aCallSitewhose target variable
 behaves like an ordinary field. | 
| class  | VolatileCallSiteA  VolatileCallSiteis aCallSitewhose target acts like a volatile variable. | 
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