- Creating JSON documents from java classes using gson
- getSharedPreferences (Context)
- getSupportFragmentManager (FragmentActivity)
- getContentResolver (Context)
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- String (java.lang)
- BitSet (java.util)
The BitSet class implements abit array [http://en.wikipedia.org/wiki/Bit_array].
Each element is eit
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- Iterator (java.util)
An iterator over a sequence of objects, such as a collection.If a collection has
been changed since
- SortedMap (java.util)
A map that has its keys ordered. The sorting is according to either the natural
ordering of its keys
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