Destroyable (Java SE 9 & JDK 9 )

All Known Subinterfaces:

DHPrivateKey, DSAPrivateKey, ECPrivateKey, PBEKey, PrivateKey, RSAMultiPrimePrivateCrtKey, RSAPrivateCrtKey, RSAPrivateKey, SecretKey

All Known Implementing Classes:

EncryptionKey, KerberosCredMessage, KerberosKey, KerberosTicket, KeyStore.PasswordProtection, SecretKeySpec, X500PrivateCredential
```
public interface Destroyable
```
Objects such as credentials may optionally implement this interface to provide the capability to destroy its contents.

Since:

1.4

See Also:

Subject

Method Summary

All Methods Instance Methods Default Methods
Modifier and Type	Method	Description
`default void`	`destroy()`	Destroy this `Object`.
`default boolean`	`isDestroyed()`	Determine if this `Object` has been destroyed.

- Method Detail
  - destroy
```
default void destroy()
              throws DestroyFailedException
```
    Destroy this Object.
    Sensitive information associated with this Object is destroyed or cleared. Subsequent calls to certain methods on this Object will result in an IllegalStateException being thrown.
    
    Implementation Requirements:
    
    The default implementation throws DestroyFailedException.
    
    Throws:
    
    DestroyFailedException - if the destroy operation fails.
    
    SecurityException - if the caller does not have permission to destroy this Object.
  - isDestroyed
```
default boolean isDestroyed()
```
    Determine if this Object has been destroyed.
    
    Implementation Requirements:
    
    The default implementation returns false.
    
    Returns:
    
    true if this Object has been destroyed, false otherwise.