book1.java

java代码100例子

 abstract class Item
{ String item_name;
  int item_price;//in USD
  protected abstract void displayDetails();
  public Item()
   { item_name="Macbeth";
	 item_price=10;
   }
  
};
 class Book extends Item
{   String author_name;
	 float seriesno;
	public void Book() 
	{ author_name="Shakeapeare";
	 seriesno=1.0f;
	 
	 System.out.println("intal book");//want to see weather call for this method
	 
	 }


public void displayDetails()
{
	 System.out.println("Book Name is:"+item_name);
	 System.out.println("Book price is:"+item_price);
	 System.out.println("Author Name is:"+author_name);
	 System.out.println("Series Number is:"+seriesno);
} 

public static void main(String args[])
 {
 	Book bookobj=new Book();
 	bookobj.displayDetails();
 }

}