- Creating JSON documents from java classes using gson
- orElseThrow (Optional)
Return the contained value, if present, otherwise throw an exception to be
created by the provided s
- getOriginalFilename (MultipartFile)
Return the original filename in the client's filesystem.This may contain path
information depending
- startActivity (Activity)
- File (java.io)
An "abstract" representation of a file system entity identified by a pathname.
The pathname may be a
- System (java.lang)
Provides access to system-related information and resources including standard
input and output. Ena
- Thread (java.lang)
A thread is a thread of execution in a program. The Java Virtual Machine allows
an application to ha
- URLEncoder (java.net)
This class is used to encode a string using the format required by
application/x-www-form-urlencoded
- GregorianCalendar (java.util)
GregorianCalendar is a concrete subclass of Calendarand provides the standard
calendar used by most
- Callable (java.util.concurrent)
A task that returns a result and may throw an exception. Implementors define a
single method with no
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