#!/usr/bin/env -S java -XX:+UnlockDiagnosticVMOptions -XX:+DebugNonSafepoints -XX:+DumpPerfMapAtExit -XX:+PreserveFramePointer --source 17 import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; public class java { public static void main(String[] args) throws IOException { FileReader r = new FileReader("/dev/zero"); FileWriter w = new FileWriter("/dev/null"); char[] buf = new char[4096]; for (;;) { int bytesRead = r.read(buf); w.write(buf, 0, bytesRead); } } }