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//program to demonstrate example of class book that contains two public member functions getdata() and showdata() and four data members (bookid,name,price and author) class book { private int bookid; private String name; private float price; private String author; public void getdata() { bookid=1; name=new String("abcdef"); price=300; author=new String("abcxyz"); } void showdata() { System.out.println("book id is " + bookid); System.out.println("book name is " + name); System.out.println("price of book is " + price); System.out.println("author of the book is " + author); } }; public class classbook { public static void main(String[] args) { book ob=new book(); ob.getdata(); ob.showdata(); } }