Array of Objects (Student Details)

import java.util.Scanner;

class student {
    int s_no;
    String n;
    float total = 0.0f;
    float marks[] = new float[3];

    void getdata(Scanner sc) {
        System.out.print("Student name: ");
        n = sc.nextLine();

        System.out.print("Roll no: ");
        s_no = sc.nextInt();

        System.out.println("Enter marks of 3 subjects:");
        for (int i = 0; i < 3; i++) {
            System.out.print("Subject " + (i + 1) + ": ");
            marks[i] = sc.nextFloat();
            total += marks[i];
        }
        sc.nextLine();
    }

    void display() {
        System.out.print(s_no + "\t" + n + "\t");
        for (int i = 0; i < 3; i++) {
            System.out.print(marks[i] + "\t");
        }
        System.out.println(total);
    }

    public static void main(String args[]) {
        Scanner sc = new Scanner(System.in);

        System.out.print("Enter the number of students: ");
        int n = sc.nextInt();
        sc.nextLine();

        student s[] = new student[n];

        for (int i = 0; i < n; i++) {
            System.out.println("\nEnter the details of student " + (i + 1));
            s[i] = new student();
            s[i].getdata(sc);
        }

        System.out.println("\nSno\tName\tMark1\tMark2\tMark3\tTotal");
        System.out.println("------------------------------------------------------------");

        for (int i = 0; i < n; i++) {
            s[i].display();
        }

        sc.close();
    }
}