HashMapTest

import java.util.HashMap;
import java.util.Map;

class BookStore{
	
	int bookId,quantity;
	String bookName,author,publisher;
	
	public BookStore(int bookId, int quantity,String bookName, String author, String publisher) {
		
		this.bookId = bookId;
		this.bookName = bookName;
		this.author = author;
		this.publisher = publisher;
		this.quantity = quantity;
	}
	
}

public class HashMapTest {

	public static void main(String[] args) {
		
		//Create map 
		Map<Integer, BookStore> bookMap = new HashMap<Integer, BookStore>();
		
		//Create book
		BookStore bookStore1 = new BookStore(111, 5, "Java Programming language", "ABCD", "ABCD");
		BookStore bookStore2 = new BookStore(112, 10, "Ruby Programming language", "AABB", "ACCD");
		
		bookMap.put(1, bookStore1);
		bookMap.put(2, bookStore2);
		
		for (Map.Entry<Integer, BookStore> entry:bookMap.entrySet()) {
			int key = entry.getKey();
			BookStore bookStore = entry.getValue();
			System.out.println(key +" Details: ");  
			System.out.println(bookStore.bookId+" "+bookStore.bookName+" "+bookStore.author+" "
			+bookStore.publisher+" "+bookStore.quantity);
			
		}
		  
		
	}
}