A school has following rules for grading system: a. Below 25 - F b. 25 to 45 - E c. 45 to 50 - D d. 50 to 60 - C e. 60 to 80 - B f. Above 80 - A Ask user to enter marks and print the corresponding grade.

A school has following rules for grading system: a. Below 25 - F 

b. 25 to 45 - E 

c. 45 to 50 - D 

d. 50 to 60 - C

 e. 60 to 80 - B 

f. Above 80 - A 

Ask user to enter marks and print the corresponding grade.

import java.util.Scanner;
class Ans{
  public static void main(String[] args){
    Scanner s = new Scanner(System.in);
    System.out.println("Enter your marks");
    int x = s.nextInt();
    if(x<25){
      System.out.println("F");
    }
    else if((x>=25)&&(x<45)){
      System.out.println("E");
    }
    else if((x>=45)&&(x<50)){
      System.out.println("D");
    }
    else if((x>=50)&&(x<60)){
      System.out.println("C");
    }
    else if((x>=60)&&(x<80)){
      System.out.println("B");
    }
    else if((x>=80)&&(x<=100)){
      System.out.println("A");
    }
    else{
      System.out.println("Not correct marks");
    }
  }
}