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- orElseThrow (Optional)
Return the contained value, if present, otherwise throw an exception to be
created by the provided s
- getResourceAsStream (ClassLoader)
- putExtra (Intent)
- FileInputStream (java.io)
An input stream that reads bytes from a file.
File file = ...finally
if (in != null)
in.clos
- 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
- ServletException (javax.servlet)
Defines a general exception a servlet can throw when it encounters difficulty.
- GridBagLayout (java.awt)
The GridBagLayout class is a flexible layout manager that aligns components
vertically and horizonta
- Rectangle (java.awt)
A Rectangle specifies an area in a coordinate space that is enclosed by the
Rectangle object's top-
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