- Creating JSON documents from java classes using gson
- getSharedPreferences (Context)
- getApplicationContext (Context)
- scheduleAtFixedRate (ScheduledExecutorService)
- BigInteger (java.math)
An immutable arbitrary-precision signed integer.FAST CRYPTOGRAPHY
This implementation is efficient f
- Permission (java.security)
Legacy security code; do not use.
- DecimalFormat (java.text)
A concrete subclass of NumberFormat that formats decimal numbers. It has a
variety of features desig
- Dictionary (java.util)
Note: Do not use this class since it is obsolete. Please use the Map interface
for new implementatio
- HashSet (java.util)
HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
- Set (java.util)
A Set is a data structure which does not allow duplicate elements.
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