- https://www.baeldung.com/java-blogs (list of sites)
- https://www.baeldung.com/java-tutorial
- http://tutorials.jenkov.com/
- https://www.javatpoint.com/java-tutorial
- https://www.geeksforgeeks.org/java/
- https://howtodoinjava.com/
- ThreadLocalRandom vs SecureRandom Class in Java
- The Right Way to Use SecureRandom
- Shooting yourself in the foot with Random number generators
- SSH slaves can block for a long time in NativePRNG
- System.currentTimeMillis vs System.nanoTime
- Why is System.nanoTime() way slower (in performance) than System.currentTimeMillis()?
- https://docs.oracle.com/javase/tutorial/essential/concurrency/pools.html
- https://www.javatpoint.com/java-thread-pool
- https://www.baeldung.com/thread-pool-java-and-guava
- http://tutorials.jenkov.com/java-concurrency/thread-pools.html
- https://www.geeksforgeeks.org/thread-pools-java/
- https://howtodoinjava.com/java/multi-threading/java-thread-pool-executor-example/
- http://www.dsc.ufcg.edu.br/~jacques/cursos/map/html/threads/pool.html (pt)
- https://pt.stackoverflow.com/questions/168848/o-que-vem-a-ser-threadpool (pt)