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Java program to show use of If, For, Scanner

PROGRAM:

To make entry of 5 subjects, restrict to enter more than 100 marks for a subject, use of  for, if, Scanner etc.

import java.util.Scanner;


public class CheckForFailUsingIf {

            public static void main(String args[])
            {
                        int noOfStudents, i,j,marks, sum=0, percent;
                        System.out.println(“Please Enter number of students”);
                        Scanner s1 = new Scanner(System.in);
                        noOfStudents = s1.nextInt();
                        System.out.println(“Entered students are = “+noOfStudents);
                       
                        for(i=1; i<=noOfStudents; i++)
                        {
                                    System.out.println(“Enter” +i+ “students marks”);
                                    System.out.println(“_____________________________”);
                                    for(j=1; j<=5; j++)
                                    {
                                                System.out.println(“Enter” +j+ “subject marks”);
                                                marks = s1.nextInt();
                                                sum =sum + marks;
                                               
                                                if(marks < 33)
                                                {
                                                            if(j ==1)
                                                            {
                                                                        System.out.println(“You are fail in Hindi”);
                                                            }
                                                            if(j ==2)
                                                            {
                                                                        System.out.println(“You are fail in Hindi”);
                                                            }
                                                            if(j ==3)
                                                            {
                                                                        System.out.println(“You are fail in Hindi”);
                                                            }
                                                            if(j ==4)
                                                            {
                                                                        System.out.println(“You are fail in Hindi”);
                                                            }
                                                            if(j ==5)
                                                            {
                                                                        System.out.println(“You are fail in Hindi”);
                                                            }
                                                }
                                               
                                               
                                               
                                    }
                                   
                                    System.out.println(“Sum of marks =” + sum);
                                    percent = sum/5;
                                    System.out.println(“Your percentage = “ +percent);
                                   
                                    if(percent > 90)
                                    {
                                                System.out.println(“Your grade is = A+”);
                                    }
                                   
                                    if(percent <= 90 && percent >80)
                                    {
                                                System.out.println(“Your grade is = A”);
                                    }
                                   
                                    if(percent <= 80 && percent >70)
                                    {
                                                System.out.println(“Your grade is = B+”);
                                    }
                                   
                                    if(percent <= 70 && percent >60)
                                    {
                                                System.out.println(“Your grade is = B”);
                                    }
                                   
                                    if(percent <= 60 && percent >50)
                                    {
                                                System.out.println(“Your grade is = C+”);
                                    }
                                   
                                    if(percent <= 50 && percent >40)
                                    {
                                                System.out.println(“Your grade is = C”);
                                    }
                                   
                                    if(percent <= 40)
                                    {
                                                System.out.println(“Your grade is = D”);
                                    }
                                   
                                    sum = 0;
                                    System.out.println(“_____________________________”);
                        }
                       
                       
            }
}



OUTPUT:

Please Enter number of students
2
Entered students are = 2
Enter1students marks
_____________________________
Enter1subject marks
50
Enter2subject marks
40
Enter3subject marks
60
Enter4subject marks
80
Enter5subject marks
70
Sum of marks =300
Your percentage = 60
Your grade is = C+
_____________________________
Enter2students marks
_____________________________
Enter1subject marks
20
You are fail in Hindi
Enter2subject marks
40
Enter3subject marks
50
Enter4subject marks
60
Enter5subject marks
40
Sum of marks =210
Your percentage = 42
Your grade is = C
_____________________________