An example of a switch expression in Java 14

TranslateHttpCode.java

public class TranslateHttpCode {

    public static void main(String[] args) {
        for (String arg : args) {
            int code = Integer.valueOf(arg);
            System.out.printf("%d -> %s%n", code, translate(code));
        }
    }

    static String translate(int code) {
        return switch (code) {
            case 200 -> "Okay";
            case 401 -> "Unauthorized";
            case 403 -> "Forbidden";
            case 404 -> "Not found";
            case 500 -> "Internal server error";
            default  -> {
                System.out.printf("Could not translate code %d%n", code);
                yield "Unknown";
            }
        };
    }
}