ICSE Specimen Paper 2020 - Question 4

/**
 * Question 4 of the ICSE Specimen Paper 2020.
 * Specimen Paper: http://www.cisce.org/pdf/ICSE-Class-X-Specimen-Question-Papers-2020/Computer%20Applications_Specimen_2020.pdf
 */
import java.util.Scanner;
public class Atransport
{
    String name;
    int w, charge;
    Atransport()
    {
        name = "";
        w = 0;
        charge = 0;
    }

    void accept()
    {
        Scanner sc = new Scanner(System.in);
        System.out.println("Please enter your name.");
        name = sc.next();
        System.out.println("Please enter the weight of the parcel.");
        w = sc.nextInt();
        sc.close();
    }

    void calculate()
    {
        if(w <= 10)
            charge = w * 25;
        else if(w > 10 && w <= 30)
            charge = w * 20;
        else
            charge = w * 10;

        charge += charge * 5/100;
    }

    void print()
    {
        System.out.println("Name\tWeight\tBill amount");
        System.out.println(name +"\t"+ w +"\t"+ charge);
    }

    public static void main(String[] args)
    {
        Atransport s1 = new Atransport();
        s1.accept();
        s1.calculate();
        s1.print();
    }
}