- Running tasks concurrently on multiple threads
- requestLocationUpdates (LocationManager)
- compareTo (BigDecimal)
- orElseThrow (Optional)
Return the contained value, if present, otherwise throw an exception to be
created by the provided s
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A specialized Reader that reads from a file in the file system. All read
requests made by calling me
- Random (java.util)
This class provides methods that return pseudo-random values.It is dangerous to
seed Random with the
- Vector (java.util)
Vector is an implementation of List, backed by an array and synchronized. All
optional operations in
- ExecutorService (java.util.concurrent)
An Executor that provides methods to manage termination and methods that can
produce a Future for tr
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
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