- Updating database using SQL prepared statement
- getSharedPreferences (Context)
- scheduleAtFixedRate (Timer)
- setRequestProperty (URLConnection)
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A Set is a data structure which does not allow duplicate elements.
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TreeSet is an implementation of SortedSet. All optional operations (adding and
removing) are support
- ConcurrentHashMap (java.util.concurrent)
A plug-in replacement for JDK1.5 java.util.concurrent.ConcurrentHashMap. This
version is based on or
- LogFactory (org.apache.commons.logging)
Factory for creating Log instances, with discovery and configuration features
similar to that employ
- Modifier (javassist)
The Modifier class provides static methods and constants to decode class and
member access modifiers
- Reference (javax.naming)
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