Question

JAVA Program

According to Sample output to write a program

Sample output:

Please enter the number of student: 4

Please enter the score of student 1: 82

Please enter the score of student 2: 92

Please enter the score of student 3: 84

Please enter the score of student 4: 74

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Student                Score                     Grade

1                              82                           B

2                             92                           A

3                              84                           B

4                              70                           C

Answer 1

import java.util.Scanner;

public class StudentGrade {
   public static void main(String[] args) {
       Scanner sc = new Scanner(System.in);
       System.out.println("Please enter the number of student: ");
       int n=sc.nextInt();
       int grades[]= new int[n];
       for(int i=0;i<n;i++) {
           System.out.println("Please enter the score of student "+(i+1)+": ");
           grades[i]=sc.nextInt();
       }
       System.out.printf("%-10s%-10s%-10s\n","Student","Score","Grade");
       System.out.println("---------------------------------------------------------");
       for(int i=0;i<n;i++) {
           System.out.printf("%-10d%-10d%-10s\n",i+1,grades[i],getLetterGade(grades[i]));
       }
   }

   private static String getLetterGade(int g) {
       if(g>=90)
           return "A";
       if(g>=80)
           return "B";
       if(g>=70)
           return "C";
       if(g>=60)
           return "D";
       return "F";
   }
}

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