- Making http post requests using okhttp
- getApplicationContext (Context)
- getResourceAsStream (ClassLoader)
- getSystemService (Context)
- RandomAccessFile (java.io)
Allows reading from and writing to a file in a random-access manner. This is
different from the uni-
- SecureRandom (java.security)
This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
- Collection (java.util)
Collection is the root of the collection hierarchy. It defines operations on
data collections and t
- Timer (java.util)
Timers schedule one-shot or recurring TimerTask for execution. Prefer
java.util.concurrent.Scheduled
- ConcurrentHashMap (java.util.concurrent)
A plug-in replacement for JDK1.5 java.util.concurrent.ConcurrentHashMap. This
version is based on or
- Servlet (javax.servlet)
Defines methods that all servlets must implement. A servlet is a small Java
program that runs within
- Best IntelliJ plugins