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java.lang.everything
everything.io

i/o, networking and data

bytes in, bytes out. files, buffers, sockets, http, databases and crypto.

start part 10
  1. 01i/o streamsInputStream, Reader, and the decorator onion.
  2. 02charsets and encodingchars are not bytes. UTF-8, UTF-16, and mojibake.
  3. 03files and pathsPath, Files, walking trees, and watching directories.
  4. 04buffers and channelsByteBuffer position, limit, flip. and memory-mapped files.
  5. 05serializationhow objects become bytes, and why everyone says don't.
  6. 06sockets and selectorsTCP, UDP, and one thread watching many connections.
  7. 07the http clientHttpClient, async requests, http/2 and http/3.
  8. 08jdbcconnections, prepared statements, transactions and pools.
  9. 09json and xmlparsing and writing both, plus the new json api on the way.
  10. 10security and cryptohashing, signing, encryption, and a TLS handshake, step by step.