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- getContentResolver (Context)
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KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
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A Map is a data structure consisting of a set of keys and values in which each
key is mapped to a si
- Timer (java.util)
Timers schedule one-shot or recurring TimerTask for execution. Prefer
java.util.concurrent.Scheduled
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A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
- Container (java.awt)
A generic Abstract Window Toolkit(AWT) container object is a component that can
contain other AWT co
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