import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner input = new Scanner(System.in); int numberOfStudents; System.out.println("Enter the number of students: "); numberOfStudents = input.nextInt(); int[] indexNumbers = new int[numberOfStudents]; double[] midSemesterMarks = new double[numberOfStudents]; double[] endOfSemesterMarks = new

double[numberOfStudents];

double[] finalMarks = new double[numberOfStudents]; String[] grades = new String[numberOfStudents]; for (int i = 0; i < numberOfStudents; i++) { System.out.println("Enter index number of student " + (i

• 1));

indexNumbers[i] = input.nextInt(); System.out.println("Enter mid-semester mark of student "

• (i + 1));

midSemesterMarks[i] = input.nextDouble(); System.out.println("Enter end-of-semester mark of student

" + (i + 1));

endOfSemesterMarks[i] = input.nextDouble(); finalMarks[i] = (midSemesterMarks[i] / 100 * 30) + (endOfSemesterMarks[i] / 100 * 70); if (finalMarks[i] >= 70) { grades[i] = "A"; } else if (finalMarks[i] >= 60) { grades[i] = "B"; } else if (finalMarks[i] >= 50) { grades[i] = "C"; } else if (finalMarks[i] >= 40) { grades[i] = "D"; } else {

grades[i] = "F"; } } System.out.println("Final scores of each student: "); for (int i = 0; i < numberOfStudents; i++) { System.out.println("Index number: " + indexNumbers[i] + " Final score: " + finalMarks[i]); } System.out.println("Grades obtained by each student: "); for (int i = 0; i < numberOfStudents; i++) { System.out.println("Index number: " + indexNumbers[i] + " Grade: " + grades[i]); } System.out.println("Table showing a candidate's index no., final score, and grade obtained:"); System.out.println("+" + "------------" + "+" + "-------------" + "+" + "-------" + "+"); System.out.println("|" + " Index No. " + "|" + " Final Score " + "|" + " Grade " + "|"); System.out.println("+" + "------------" + "+" + "-------------" + "+" + "-------" + "+"); for (int i = 0; i < numberOfStudents; i++) { System.out.println("| "+indexNumbers[i] + " |" + finalMarks[i] + " |" + grades[i]+" |"); } System.out.println("+" + "------------" + "+" + "-------------" + "+" + "-------" + "+"); } }