- Creating JSON documents from java classes using gson
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- FileWriter (java.io)
A specialized Writer that writes to a file in the file system. All write
requests made by calling me
- MessageDigest (java.security)
Uses a one-way hash function to turn an arbitrary number of bytes into a
fixed-length byte sequence.
- Connection (java.sql)
A connection represents a link from a Java application to a database. All SQL
statements and results
- TimeZone (java.util)
TimeZone represents a time zone offset, and also figures out daylight savings.
Typically, you get a
- ExecutorService (java.util.concurrent)
An Executor that provides methods to manage termination and methods that can
produce a Future for tr
- Collectors (java.util.stream)
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