What is the select statement and when is it used?

The select statement in Go: • Chooses between multiple channel operations • Blocks until one operation can proceed • Random selection if multiple ready • Default case for non-blocking • Used for timeouts and cancellation Example: select { case msg := <-ch1: fmt.Println("Received:", msg) case ch2 <- "hello": fmt.Println("Sent hello") case <-time.After(1 * time.Second): fmt.Println("Timeout") default: fmt.Println("No communication") }