import java.util.*;
public class Main {
public static void main(String[] args) {
int grade = 15;
if (grade > 17) {
System.out.println("Άριστα");
} else if (grade > 15) {
System.out.println("Πολύ καλά");
} else if (grade > 13) {
System.out.println("Καλά");
} else if (grade >= 10) {
System.out.println("Μέτρια");
} else {
System.out.println("Απορριπτέος");
}
String answer = "ν";
int k = 0, i = 1;
if ("ν".equals(answer)) {
if (i >= 0) {
k += 1;
} else {
k -= 1;
}
}
System.out.println(answer + " " + i + " " + k);
int num = -1;
String result = (num > 0) ? "θετικός" : "αρνητικός";
String dayOfWeek = "Saturday";
result = "";
switch (dayOfWeek) {
case "Sunday":
result = "Κυριακή";
break;
case "Monday":
result = "Δευτέρα";
break;
case "Tuesday":
result = "Τρίτη";
break;
case "Wednesday":
result = "Τετάρτη";
break;
case "Thursday":
result = "Πέμπτη";
break;
case "Friday":
result = "Παρασκευή";
break;
case "Saturday":
result = "Σάββατο";
break;
default:
result = "Error: " + dayOfWeek +
" is not a day of the week";
break;
}
System.out.println(result);
System.out.println("Δώσε μια επιλογή (one/two/other):");
//Scanner sc = new Scanner(System.in);
//String choice_ = sc.next();
String choice_ = "other";
switch (choice_) {
case "one":
System.out.println(1);
break;
case "two":
System.out.println(2);
break;
default:
System.out.println(-1);
}
switch (grade) {
case 20:
case 19:
case 18:
System.out.println("Άριστα");
break;
case 17:
case 16:
System.out.println("Πολύ καλά");
break;
case 15:
case 14:
System.out.println("Καλά");
break;
case 13:
case 12:
case 11:
case 10:
System.out.println("Μέτρια");
break;
default:
System.out.println("Απορριπτέος");
}
enum Choice {
RED_PILL, BLUE_PILL
}
Choice choice = Choice.RED_PILL;
switch (choice) {
case BLUE_PILL:
System.out.println("Συνέχισε να κοιμάσαι...");
break;
case RED_PILL:
System.out.println("Καλωσήρθες στο Matrix!");
break;
}
dayOfWeek = "Saturday";
result = "";
switch (dayOfWeek) {
case "Sunday" -> result = "Κυριακή";
case "Monday" -> result = "Δευτέρα";
case "Tuesday" -> result = "Τρίτη";
case "Wednesday" -> result = "Τετάρτη";
case "Thursday" -> result = "Πέμπτη";
case "Friday" -> result = "Παρασκευή";
case "Saturday" -> result = "Σάββατο";
default -> result = "Error: " + dayOfWeek +
" is not a day of the week";
}
System.out.println(result);
switch (grade) {
case 20, 19, 18 -> System.out.println("Άριστα");
case 17, 16 -> System.out.println("Πολύ καλά");
case 15, 14 -> System.out.println("Καλά");
case 10, 13 -> System.out.println("Μέτρια");
default -> System.out.println("Απορριπτέος");
}
result = switch (dayOfWeek) {
case "Sunday" -> result = "Κυριακή";
case "Monday" -> result = "Δευτέρα";
case "Tuesday" -> result = "Τρίτη";
case "Wednesday" -> result = "Τετάρτη";
case "Thursday" -> result = "Πέμπτη";
case "Friday" -> result = "Παρασκευή";
case "Saturday" -> result = "Σάββατο";
default -> result = "Error: " + dayOfWeek +
" is not a day of the week";
};
System.out.println(result);
enum DAY {
MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY, SATURDAY, SUNDAY
};
DAY day = DAY.SATURDAY;
int score = switch (day) {
case MONDAY, FRIDAY, SUNDAY -> 6;
case TUESDAY -> 7;
default -> {
String s = day.toString();
int res = s.length();
yield res;
}
};
System.out.println(score);
}
}