//封裝數(shù)據(jù)
package?com.pictice;
public?class?Book?{
String?bookName;
int?number;
public?String?getBookName()?{
return?bookName;
}
public?void?setBookName(String?bookName)?{
this.bookName?=?bookName;
}
public?int?getNumber()?{
return?number;
}
public?void?setNumber(int?number)?{
this.number?=?number;
}
@Override
public?String?toString()?{
return?"Book?[bookName="?+?bookName?+?",?number="?+?number?+?"]";
}
}
//寫入數(shù)據(jù)
package?com.pictice;
public?class?IBook?extends?Book?{
String?bookName;
int?number;
public?IBook(int?number,?String?bookName)?{
//?TODO?Auto-generated?constructor?stub
Book?book?=?new?Book();
book.setBookName(bookName);
book.setNumber(number);
this.number?=?book.getNumber();
this.bookName?=?book.getBookName();
}
@Override
public?String?toString()?{
return?"IBook?[bookName="?+?bookName?+?",?number="?+?number?+?"]";
}
}
//獲取數(shù)據(jù)（無法獲?。?package?com.pictice;
import?com.pictice.Book;
public?class?GetBook?extends?Book{
int?number;
String?nameBook;
public?GetBook()?{
//?TODO?Auto-generated?constructor?stub
//Book?book=new?Book();
this.number=super.getNumber();
this.nameBook=super.getBookName();
}
@Override
public?String?toString()?{
return?"GetBook?[number="?+?number?+?",?nameBook="?+?nameBook?+?"]";
}
}