//book clas
public class Books {

    // data members
	private String booksName;
	private String booksAuthor;
    private String booksEdition;
    private int rackNo;

 	// constructor
	public Books(String booksName, String booksAuthor, String booksEdition, int rackNo) {
		this.booksName = booksName;
		this.booksAuthor = booksAuthor;
		this.booksEdition = booksEdition;
		this.rackNo = rackNo;
	}
	// toString method
	public String toString() {
		return String.format("\t%-10s %-10s %-10s \t\t%d", booksName, booksAuthor, booksEdition, rackNo);
	}


}