abstract class Score {
public int value;
 Score(int value) {
this.value = value;
 }

abstract String getGrade();

 void print() {
System.out.println("your socre is " + value + "(" + getGrade() + ")");
 }
}

class A extends Score {
A(int value) {
super(value);
 }

@Override
 String getGrade() {
return "A";
 }
}
class B extends Score {
B(int value) {
super(value);
 }

@Override
 String getGrade() {
return "B";
 }
}
class C extends Score {
C(int value) {
super(value);
 }

@Override
 String getGrade() {
return "C";
 }
}
class D extends Score {
D(int value) {
super(value);
 }

@Override
 String getGrade() {
return "D";
 }
}
class F extends Score {
F(int value) {
super(value);
 }

@Override
 String getGrade() {
return "F";
 }
}

public class Main {
public static void main(String[] args) {
Score a = new A(100);
 Score b = new B(90);
 Score c = new C(80);
 Score d = new D(70);
 Score f = new F(50);

 a.print();
 b.print();
 c.print();
 d.print();
 f.print();

 // Output
 // your socre is 100(A)
 // your socre is 90(B)
 // your socre is 80(C)
 // your socre is 70(D)
 // your socre is 50(F)
 }
}


if문 없이 점수로 등급 출력하기 ㅋㅋ


개 웃기네 이거 ㅋㅋ