- Updating database using SQL prepared statement
- getExternalFilesDir (Context)
- addToBackStack (FragmentTransaction)
- putExtra (Intent)
- BigInteger (java.math)
An immutable arbitrary-precision signed integer.FAST CRYPTOGRAPHY
This implementation is efficient f
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- HashSet (java.util)
HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
- Iterator (java.util)
An iterator over a sequence of objects, such as a collection.If a collection has
been changed since
- Handler (java.util.logging)
A Handler object accepts a logging request and exports the desired messages to a
target, for example
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