SDUT JAVAlab3.5

90

Exam grade is A

import java.util.Scanner;
public class Main{
  public static void main(String [] args)
  {
    Scanner sc=new Scanner(System.in);
    double n;
    n=sc.nextInt();
    if(n>100||n<0)
    {
      System.out.println("Invalid exam score - a valid score is a whole number in the range 0 to 100.");
    }
    else if(n>=90&&n<=100)
    {
      System.out.println("Exam grade is A");
    }
    else if(n>=80&&n<=89)
    {
      System.out.println("Exam grade is B");
    }
    else if(n>=70&&n<=79)
    {
      System.out.println("Exam grade is C");
    }
    else if(n>=60&&n<=69)
    {
      System.out.println("Exam grade is D");
    }
    else if(n>=0&&n<=59)
    {
      System.out.println("Exam grade is F");
    }
  }
}