CirculatingBook

java.lang.Object
- library.Book
- - library.CirculatingBook

All Implemented Interfaces:

java.lang.Comparable<library.LibraryBook>
```
public class CirculatingBook
extends Book
```

Field Summary

Fields
Modifier and Type Field Description

protected java.lang.String callNumber
- Fields inherited from class library.Book
  author, isbn, title

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`checkout(java.lang.String patron, java.lang.String due)`	check out book by recording parameter information
`java.lang.String`	`circulationStatus()`
`int`	`compareTo(library.LibraryBook lib)`
`void`	`returned()`	record that book has been returned
`java.lang.String`	`toString()`

Methods inherited from class library.Book
getAuthor, getIsbn, getTitle, setAuthor, setIsbn, setTitle

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - callNumber
```
protected java.lang.String callNumber
```
- Method Detail
  - checkout
```
public void checkout(java.lang.String patron,
                     java.lang.String due)
```
    check out book by recording parameter information
    
    Parameters:
    
    patron - person checking out book
    
    due - date book is due to be returned
  - returned
```
public void returned()
```
    record that book has been returned
  - circulationStatus
```
public java.lang.String circulationStatus()
```
    Returns:
    
    current holder and due date information if book checked out and "book available" otherwise
  - compareTo
```
public int compareTo(library.LibraryBook lib)
```
    Specified by:
    
    compareTo in interface java.lang.Comparable<library.LibraryBook>
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class Book
    
    Returns:
    
    title, author, ISBN, call number as a String for printing