book.java

编写一个简单的图书馆图书查询界面

package frank.simpleLibrary;

import java.io.Serializable;

public class Book implements Serializable {
	private String title;
	private String author;
	private double price;
	
	//default constructor
	public Book() {
		this("", "", 0);
	}
	
	//initializer
	public Book(String tit, String auth, double prc) {
		setTitle(tit);
		setAuthor(auth);
		setPrice(prc);
	}
	
	//set properties
	public void setTitle(String tit) {
		title = tit;
	}
	public void setAuthor(String auth) {
		author = auth;
	}
	public void setPrice(double prc) {
		price = prc; 
	}
	
	//get properties
	public String getTitle() {
		return title;
	}
	public String getAuthor() {
		return author;
	}
	public double getPrice() {
		return price;
	}
}