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import java.util.Scanner; class Student9 { String name; String rollNumber; void readStudentDetails() { Scanner p = new Scanner(System.in); System.out.print("Enter student name: "); name = p.nextLine(); System.out.print("Enter roll number: "); rollNumber = p.nextLine(); } void displayStudentDetails() { System.out.println("Student Name: " + name); System.out.println("Roll Number: " + rollNumber); } } class Mark extends Student9 { int[] marks = new int[5]; int total; double average; void readMarks() { Scanner p = new Scanner(System.in); System.out.println("Enter marks for 5 subjects:"); for (int i = 0; i < 5; i++) { System.out.print("Subject " + (i + 1) + ": "); marks[i] = p.nextInt(); } calculateTotalAndAverage(); } void calculateTotalAndAverage() { total = 0; for (int mark : marks) { total += mark; } average = total / 5.0; } void displayResults() { displayStudentDetails(); System.out.println("Marks:"); for (int i = 0; i < 5; i++) { System.out.println("Subject " + (i + 1) + ": " + marks[i]); } System.out.println("Total Marks: " + total); System.out.println("Average Marks: " + average); } } public class StudentRes { public static void main(String[] args) { Mark mark = new Mark(); mark.readStudentDetails(); mark.readMarks(); mark.displayResults(); } }
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