尝试停能不能不改变个是发帖。

public class NewBook1 {
	String gname;
	int gid;
	float gprice;
		public void print()
		{
			System.out.println("该商品的名字为"+gname+",ID号"+gid+",价格是"+gprice);
		}
			public NewBook1(String name,int id,float price)
			{
			gname=name;
			gid=id;
			gprice=price;
			}
		public static void main(String args[])
		{
			NewBook1 book1=new NewBook1("《他的国》",21001,25.0F);
			book1.print();
			NewBook1 book2=new NewBook1("《小时代》",21002,29.8F);
			book2.print();
		}
	

}