Page 279 - CA_Blue( J )_Class10
P. 279
22 else if(unit<=200)
23 bill=(100*1.5)+(unit-100)*2.5;
24 else if(unit<=400)
25 bill=(100*1.5)+(100*2.5)+(unit-200)*3.5;
26 else
27 bill=(100*1.5)+(100*2.5)+(200*3.5)+(unit-400)*4.0;
28 }
29 void Display()
30 {
31 System.out.println("Consumer Name"+"\t"+"Consumer No"+"\t"+"Unit"
+"Consumed"+"\t"+"Bill Amount");
32 System.out.println(name+"\t\t"+cons_no+"\t\t"+unit+"\t\t"+bill);
33 }
34 public static void main()
35 {
36 Bill ob= new Bill();
37 ob.accept();
38 ob.cal();
39 ob.Display();
40 }}
Program 6 Define a class called Library with the following description:
Instance variables/data members
int acc_num : stores the accession number of books
String title : stores the title of book
String author : stores the name of author
Member methods
void input() : to input and store the accession number, title and author
int compute() : to accept the number of days late, calculate and display the fine
charged at the rate of 2/- per day
void display() : to display the details in the following format:
Accession number Title Author Fine
- - - -
Write the main method to create an object of the class and call the above member methods.
1 import java.util.*;
2 class Library
3 {
4 int acc_num;
5 String title,author;
277
Class as the Basis of all Computation 277

