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- getExternalFilesDir (Context)
- addToBackStack (FragmentTransaction)
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This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
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A specific moment in time, with millisecond precision. Values typically come
from System#currentTime
- AtomicInteger (java.util.concurrent.atomic)
An int value that may be updated atomically. See the java.util.concurrent.atomic
package specificati
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Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
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The Modifier class provides static methods and constants to decode class and
member access modifiers
- BoxLayout (javax.swing)
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