http://wiki.carl.fun/ 2026-04-19T13:01:03+00:00 http://wiki.carl.fun/ http://wiki.carl.fun/_media/wiki:dokuwiki.svg text/html 2025-03-18T00:14:40+00:00 Anonymous (anonymous@undisclosed.example.com) http://wiki.carl.fun/java:filteroutputstream?rev=1742256880&do=diff FilterOutputStream Notes: * There are 3 write calls to override. * Don't delegate to super.write(), as it calls the single byte write. text/html 2025-11-21T15:01:02+00:00 Anonymous (anonymous@undisclosed.example.com) http://wiki.carl.fun/java:futuretask?rev=1763737262&do=diff FutureTask This class is both a Runnable and a Future. It correctly propagates thread interruption, unlike CompletableFuture. However, the run() method does not throw. If two FutureTasks are chained together the inner will not ever throw an exception. text/html 2025-02-27T21:29:03+00:00 Anonymous (anonymous@undisclosed.example.com) http://wiki.carl.fun/java:numeric?rev=1740691743&do=diff Java Numeric Java Supports common Numeric types in the language, as well as less common ones in the standard library (JDK). Except for `char`, all native integer types are signed. By default all numbers extend the Number abstract class. ---------- Signed 32 Bit Integer text/html 2025-04-04T00:23:23+00:00 Anonymous (anonymous@undisclosed.example.com) http://wiki.carl.fun/java:python_differences?rev=1743726203&do=diff Java and Python Differences Java and Python are both garbage collected languages that run in a VM. Each of them has rich library support and large user bases. Both are good for allowing multiple people on a team to work on the same codebase. However, there are some hard to reconcile differences between the two. text/html 2025-02-23T02:40:06+00:00 Anonymous (anonymous@undisclosed.example.com) http://wiki.carl.fun/java:threadpoolexecutor?rev=1740278406&do=diff ThreadPoolExecutor This class is used to execute tasks in Java. Generally, users will not directly create a ThreadPoolExecutor, but instead use one of the the static factory methods in `Executors` to create one. For example: class Runner { private final ExecutorService executor = Executors.newCachedThreadPool(); public void run(Runnable r) { executor.execute(r); } }