Drill 20: Why this way — Syntax and control flow

public class ControlFlow {
    public static void main(String[] args) {
        int minutes = 12;
        String level = minutes < 10 ? "short" : "long";

        if (minutes >= 14) {
            System.out.println("deep dive");
        } else if (minutes >= 8) {
            System.out.println("steady lesson");
        } else {
            System.out.println("quick intro");
        }

        switch (level) {
            case "short" -> System.out.println("under 10 minutes");
            case "long" -> System.out.println("10 minutes or more");
            default -> System.out.println("unknown");
        }

        int total = 0;
        for (int i = 0; i < 3; i++) {
            total += i;
        }

        while (total < 5) {
            total += 1;
        }

        System.out.println(total);
    }
}