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- getSharedPreferences (Context)
- getSystemService (Context)
- getApplicationContext (Context)
- BigDecimal (java.math)
An immutable arbitrary-precision signed decimal.A value is represented by an
arbitrary-precision "un
- KeyStore (java.security)
KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
- Date (java.util)
A specific moment in time, with millisecond precision. Values typically come
from System#currentTime
- Deque (java.util)
A linear collection that supports element insertion and removal at both ends.
The name deque is shor
- ImageIO (javax.imageio)
- Filter (javax.servlet)
A filter is an object that performs filtering tasks on either the request to a
resource (a servlet o
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