- Running tasks concurrently on multiple threads
- orElseThrow (Optional)
Return the contained value, if present, otherwise throw an exception to be
created by the provided s
- getApplicationContext (Context)
- onRequestPermissionsResult (Fragment)
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- FileWriter (java.io)
A specialized Writer that writes to a file in the file system. All write
requests made by calling me
- Set (java.util)
A Set is a data structure which does not allow duplicate elements.
- Vector (java.util)
Vector is an implementation of List, backed by an array and synchronized. All
optional operations in
- CountDownLatch (java.util.concurrent)
A synchronization aid that allows one or more threads to wait until a set of
operations being perfor
- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
- Best plugins for Eclipse