| Package | Description | 
|---|---|
| java.security | Provides the classes and interfaces for the security framework. | 
| java.util.concurrent | Utility classes commonly useful in concurrent programming. | 
| javax.security.auth | This package provides a framework for authentication and
 authorization. | 
| Modifier and Type | Method and Description | 
|---|---|
| static <T> T | AccessController. doPrivileged(PrivilegedAction<T> action)Performs the specified  PrivilegedActionwith privileges
 enabled. | 
| static <T> T | AccessController. doPrivileged(PrivilegedAction<T> action,
            AccessControlContext context)Performs the specified  PrivilegedActionwith privileges
 enabled and restricted by the specifiedAccessControlContext. | 
| static <T> T | AccessController. doPrivileged(PrivilegedAction<T> action,
            AccessControlContext context,
            Permission... perms)Performs the specified  PrivilegedActionwith privileges
 enabled and restricted by the specifiedAccessControlContextand with a privilege scope limited
 by specifiedPermissionarguments. | 
| static <T> T | AccessController. doPrivilegedWithCombiner(PrivilegedAction<T> action)Performs the specified  PrivilegedActionwith privileges
 enabled. | 
| static <T> T | AccessController. doPrivilegedWithCombiner(PrivilegedAction<T> action,
                        AccessControlContext context,
                        Permission... perms)Performs the specified  PrivilegedActionwith privileges
 enabled and restricted by the specifiedAccessControlContextand with a privilege scope limited
 by specifiedPermissionarguments. | 
| Modifier and Type | Method and Description | 
|---|---|
| static Callable<Object> | Executors. callable(PrivilegedAction<?> action)Returns a  Callableobject that, when
 called, runs the given privileged action and returns its result. | 
| Modifier and Type | Method and Description | 
|---|---|
| static <T> T | Subject. doAs(Subject subject,
    PrivilegedAction<T> action)Perform work as a particular  Subject. | 
| static <T> T | Subject. doAsPrivileged(Subject subject,
              PrivilegedAction<T> action,
              AccessControlContext acc)Perform privileged work as a particular  Subject. | 
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