자바 프로그래밍/코딩
CurrencyConverter.java
by 세인트킴
2023. 5. 22.
import java.util.Scanner;
class CurrencyConverter {
private static double rate;
public static double toDollar(double won) {
return won/rate;
}
public static double toKRW(double dollar) {
return dollar*rate;
}
public static void setRate(double r) {
rate = r;
}
}
public class CurrencyConverterTest {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.print("Exchange rate($1) >> ");
double rate = scanner.nextDouble();
CurrencyConverter.setRate(rate);
System.out.printf("%,d KRW = $%,.2f\n", 100000, CurrencyConverter.toDollar(100000));
System.out.printf("$%,d = %, d KRW\n", 100, (int)CurrencyConverter.toKRW(100));
scanner.close();
}
}