- Making http post requests using okhttp
- getSystemService (Context)
- runOnUiThread (Activity)
- onCreateOptionsMenu (Activity)
- BufferedReader (java.io)
Wraps an existing Reader and buffers the input. Expensive interaction with the
underlying reader is
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- BitSet (java.util)
The BitSet class implements abit array [http://en.wikipedia.org/wiki/Bit_array].
Each element is eit
- Map (java.util)
A Map is a data structure consisting of a set of keys and values in which each
key is mapped to a si
- Collectors (java.util.stream)
- GridBagLayout (java.awt)
The GridBagLayout class is a flexible layout manager that aligns components
vertically and horizonta
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