public class AppBook
{
	public static void main(String args[])
	{
		Book NewOneBook=new Book();
		System.out.println(NewOneBook.ShowBook());
		Book NewTwoBook=new Book("Java數據庫程序設計","宋波",360);
		System.out.println(NewTwoBook.ShowBook());
	}
}
class Book
{
	String Title;
	String Author;
	int Pages;
	Book()
	{
		Title="SQL程序設計";
		Author="宋波";
		Pages=360;
	}
	Book(String title,String author,int pages)
	{
		Title=title;
		Author=author;
		Pages=pages;
	}
	public String ShowBook()
	{
		return("Title: "+Title+" Author: "+Author+" Pages: "+Pages);
	}
}