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Added in API level 1

Summary: Methods | [Expand All]

public interface Destroyable

javax.security.auth.Destroyable

Known Indirect Subclasses

像凭证这样的对象可以有选择地实现这个接口来提供破坏其内容的能力。

也可以看看：

Public methods
`abstract void`	`destroy()` 销毁这 `Object` 。
`abstract boolean`	`isDestroyed()` 确定这个 `Object`是否已经被销毁。

Added in API level 1

void destroy ()

销毁这 Object 。

与此Object相关的敏感信息被销毁或清除。随后调用此Object上的某些方法将导致引发IllegalStateException 。

Throws
`DestroyFailedException`	if the destroy operation fails.
`SecurityException`	if the caller does not have permission to destroy this `Object`.

Added in API level 1

boolean isDestroyed ()

确定这个 Object是否已经被销毁。

Returns
`boolean`	true if this `Object` has been destroyed, false otherwise.