- Making http requests using okhttp
- scheduleAtFixedRate (ScheduledExecutorService)
- getResourceAsStream (ClassLoader)
- addToBackStack (FragmentTransaction)
- System (java.lang)
Provides access to system-related information and resources including standard
input and output. Ena
- Dictionary (java.util)
Note: Do not use this class since it is obsolete. Please use the Map interface
for new implementatio
- Properties (java.util)
A Properties object is a Hashtable where the keys and values must be Strings.
Each property can have
- ThreadPoolExecutor (java.util.concurrent)
An ExecutorService that executes each submitted task using one of possibly
several pooled threads, n
- HttpServletRequest (javax.servlet.http)
Extends the javax.servlet.ServletRequest interface to provide request
information for HTTP servlets.
- StringUtils (org.apache.commons.lang)
Operations on java.lang.String that arenull safe.
* IsEmpty/IsBlank - checks if a String contains
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