All Notes on BCA

import java.*;
import java.io.*;
import java.util.*;

class publication
{
 int book_id;
 String title;
 String Author_name;
 int year;
 int price;
 int no_of_page;
 int cd_capacity;

   public static void main(String ards[])
    {
     book obj = new book();
     method obj1 = new method();
   	 obj.getdata();
   	 obj1.getdata();
   	 obj.show_detail();
   	 obj1.show_detail();
   	 
   	 } 
}

class book extends publication
{
 void getdata()
  {
  	Scanner sc = new Scanner(System.in);
 	System.out.print("Enter Book ID : ");
    book_id = sc.nextInt(); 

    sc.nextLine();
   	System.out.print("Enter Book Title : ");
    title = sc.nextLine(); 

 
 	System.out.print("Enter Book Author Name : ");
    Author_name = sc.nextLine(); 
    	
 	System.out.print("Enter Book Year : ");
    year = sc.nextInt(); 

 	System.out.print("Enter Book Price : ");
    price = sc.nextInt(); 

   }	
   void show_detail()
   {
   	System.out.println("\n\n\tBOOk ID     : "+book_id);
   	System.out.println("\tBOOk TITLE  : "+title);
   	System.out.println("\tBOOk AUTHOR : "+Author_name);
   	System.out.println("\tBOOk YEAR   : "+year);
   	System.out.println("\tBOOk PRICE  : "+price);
   	}		
 }
 
class method extends pulication
{
 void getdata()
  {
  	Scanner sc = new Scanner(System.in);

 	System.out.print("Enter Book Number of pages : ");
    no_of_page = sc.nextInt(); 

    }	
   void show_detail()
   {
   	System.out.println("\n\n\tBOOK NUMBER OF PAGES : "+no_of_page);

    if(no_of_page >= 0 && no_of_page = 101 && no_of_page <= 200)
    {
      System.out.println("\tBOOK CD CAPACITY 20 MINITE");
      }
     else
    {
      System.out.println("\tBOOK CD CAPACITY 30 MINITE");
      }
 
     	
   	}		
 }

INPUT
Enter Book ID : 101
Enter Book Title : Coin COllection
Enter Book Author Name : Pratik Badala
Enter Book Year : 2010
Enter Book Price : 300
Enter Book Number of Pages : 200  

OUTPUT
       Book ID : 101
       Book Title : Coin Collection
       Book Author Name : Pratik Badala
       Book Year : 2010
       Book Price : 300
       Book Number of Pages : 200  
       BOOK CD CAPACITY 20 MINITE