- Reading from database using SQL prepared statement
- scheduleAtFixedRate (ScheduledExecutorService)
- startActivity (Activity)
- orElseThrow (Optional)
- Table (com.google.common.collect)
A collection that associates an ordered pair of keys, called a row key and a
column key, with a sing
- KeyStore (java.security)
KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
- HashMap (java.util)
HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
- HashSet (java.util)
HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
- List (java.util)
An ordered collection (also known as a sequence). The user of this interface has
precise control ove
- Properties (java.util)
A Properties object is a Hashtable where the keys and values must be Strings.
Each property can have