Java tutorial
public class Main { public static void main(String[] args) { new Thread(uncheck(() -> { Thread.sleep(1000L); System.out.println("done"); })).start(); } private static Runnable uncheck(RunnableEx ex) { return () -> { try { ex.accept(); } catch (InterruptedException e) { throw new RuntimeException(e); } }; } } @FunctionalInterface interface RunnableEx { public abstract void accept() throws InterruptedException; }