Down for Maintenance from December 17, 2025 Wednesday 9:30pm PST to December 18, 2025 Thursday 3:30am PST (i.e., 05:30am -11:30am GMT, December 18, 2025 Thursday)
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| API | Method(s) | Notes | |
|---|---|---|---|
| java.lang.Thread | sleep, join | join to wait for a virtual thread to terminate | |
| java.util.concurrent | All blocking operations | ||
| java.net.Socket | connect, read, write | Socket constructors with a host name parameter may need to do a lookup with InetAddress, see below | |
| java.net.ServerSocket | accept | ||
| java.net.DatagramSocket/MulticastSocket | receive | connect, disconnect and send do not block | |
| java.nio.channels.SocketChannel | connect, read, write | socket adaptor connect, read, and write also okay | |
| java.nio.channels.ServerSocketChannel | accept | socket adaptor accept also okay | |
| java.nio.channels.DatagramChannel | read, receivesocket adaptor receive also okay | connect, disconnect, send, and write do not block | |
| java.nio.channels.Pipe.SourceChannel | read | ||
| java.nio.channels.Pipe.SinkChannel | write | ||
| Console streams (System.in, out, err) | read, write, printf | Linux/macOS only at this time. |
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