- Making http requests using okhttp
- putExtra (Intent)
- getExternalFilesDir (Context)
- addToBackStack (FragmentTransaction)
- ServerSocket (java.net)
This class represents a server-side socket that waits for incoming client
connections. A ServerSocke
- ArrayList (java.util)
ArrayList is an implementation of List, backed by an array. All optional
operations including adding
- ThreadPoolExecutor (java.util.concurrent)
An ExecutorService that executes each submitted task using one of possibly
several pooled threads, n
- DataSource (javax.sql)
An interface for the creation of Connection objects which represent a connection
to a database. This
- StringUtils (org.apache.commons.lang)
Operations on java.lang.String that arenull safe.
* IsEmpty/IsBlank - checks if a String contains
- GridBagLayout (java.awt)
The GridBagLayout class is a flexible layout manager that aligns components
vertically and horizonta
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