Graduation2

package com.company;

import java.util.Scanner;

public class Graduation2 {

    public static Scanner s = new Scanner(System.in);
    private static boolean excl = false;

    public static double testGrade(double getGrade, boolean flag) {
        if (getGrade >= 4) {
            return getGrade;
        } else {
            if (!flag) {
                getGrade = Double.parseDouble(s.nextLine());
                testGrade(getGrade, true);
            } else {
                excl = true;
            }
            return 0;
        }

    }

    public static void main(String[] args) {

        String name = s.nextLine();
        double grade = 0;
        double sum = 0;
        int gradeExcl = 0;

        while (!excl && gradeExcl<12) {
            gradeExcl++;
            grade = Double.parseDouble(s.nextLine());
            sum += testGrade(grade, false);
        }

        if (excl){
            System.out.println(name + " has been excluded at " + gradeExcl + " grade");
        }else{
            System.out.printf("%s graduated. Average grade: %.02f", name, sum/12);
        }

    }
}