4. Write a program to read 5 subjects marks of a student and calculate the total and grade

import java.util.*;  

 class Stud  

 {    

      public static void main(String args[])  

      {  

           Scanner in = new Scanner(System.in);  

           System.out.println("Student Records - 2013\n");  

           System.out.print("Name: ");  

           String name = in.nextLine();  

           System.out.print("USN: ");  

           String USN = in.nextLine();  

           System.out.println("Marks in 5 subjects: ");  

           int a[]=new int[5];  

           int tot=0;  

           boolean flag=false;  

           for(int i=0;i<5;i++)  

           {  

           System.out.print("Subject["+(i+1)+"]: ");  

                a[i] = in.nextInt();  

                if(a[i]<25)  

                {  

                     flag=true;  

                }  

                tot+=a[i];  

           }  

           float avg = tot/5;  

           System.out.println("Total: "+tot);  

           System.out.println("Percentage: "+avg+"%");  

           if(flag)  

           {  

                System.out.println("Status: FAIL");  

                return;  

           }   

           String grade="";  

           switch(Math.round(avg/10))  

           {  

                case 10:     grade="FCD";  

                case 9:      grade="FCD";  

                break;  

                case 8:      grade="FC";  

                case 7:      grade="FC";  

                break;       

                case 6 :     grade="SC";  

                case 4 :     grade="SC";  

                break;  

                case 3 :     grade="C";  

                break;  

                default :    grade="F";  

           }  

           System.out.println("Status: " +grade);  

      }  

 }  

Output: