- Making http post requests using okhttp
- onCreateOptionsMenu (Activity)
- onRequestPermissionsResult (Fragment)
- getExternalFilesDir (Context)
- System (java.lang)
Provides access to system-related information and resources including standard
input and output. Ena
- MessageDigest (java.security)
Uses a one-way hash function to turn an arbitrary number of bytes into a
fixed-length byte sequence.
- Date (java.sql)
A class which can consume and produce dates in SQL Date format. Dates are
represented in SQL as yyyy
- TimeZone (java.util)
TimeZone represents a time zone offset, and also figures out daylight savings.
Typically, you get a
- ServletException (javax.servlet)
Defines a general exception a servlet can throw when it encounters difficulty.
- Logger (org.slf4j)
The org.slf4j.Logger interface is the main user entry point of SLF4J API. It is
expected that loggin
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