- Running tasks concurrently on multiple threads
- getExternalFilesDir (Context)
- getOriginalFilename (MultipartFile)
Return the original filename in the client's filesystem.This may contain path
information depending
- orElseThrow (Optional)
Return the contained value, if present, otherwise throw an exception to be
created by the provided s
- DateFormat (java.text)
Formats or parses dates and times.This class provides factories for obtaining
instances configured f
- GregorianCalendar (java.util)
GregorianCalendar is a concrete subclass of Calendarand provides the standard
calendar used by most
- ReentrantLock (java.util.concurrent.locks)
A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- StringUtils (org.apache.commons.lang)
Operations on java.lang.String that arenull safe.
* IsEmpty/IsBlank - checks if a String contains
- Scheduler (org.quartz)
This is the main interface of a Quartz Scheduler. A Scheduler maintains a registry of org.quartz.Job
- Best IntelliJ plugins