package Playground.testcase;
import java.util.ArrayList;

public class grades {
//    public static String getGrade(int score){
//        return getString(score);
//    }
    public static void main(String[] args){
        ArrayList <Integer> list = new ArrayList<>();
        list.add(1);
        list.add(2);

        int a = list.get(0);
        System.out.println(a);

    }
}

abstract class test{
    public abstract void test1();

}
abstract class test2 extends test{
    public void test1(){
        System.out.println("test");
    }
}