- Creating JSON documents from java classes using gson
- getSharedPreferences (Context)
- putExtra (Intent)
- orElseThrow (Optional)
Return the contained value, if present, otherwise throw an exception to be
created by the provided s
- HttpServer (com.sun.net.httpserver)
This class implements a simple HTTP server. A HttpServer is bound to an IP
address and port number a
- KeyStore (java.security)
KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
- Deque (java.util)
A linear collection that supports element insertion and removal at both ends.
The name deque is shor
- Semaphore (java.util.concurrent)
A counting semaphore. Conceptually, a semaphore maintains a set of permits. Each
#acquire blocks if
- ThreadPoolExecutor (java.util.concurrent)
An ExecutorService that executes each submitted task using one of possibly
several pooled threads, n
- ServletException (javax.servlet)
Defines a general exception a servlet can throw when it encounters difficulty.
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