All Implemented Interfaces:

Comparable<Transaction>
```
public class Transaction
extends Object
implements Comparable<Transaction>
```
An immutable data type to represent a commercial transaction with a name, date, and amount.

Constructor Summary

Constructors
Constructor	Description
`Transaction(String s)`	Constructs a transaction from a string `s` of the form `"name date amount"`.
`Transaction(String name, Date date, double amount)`	Constructs a transaction from a `name`, `date`, and `amount`.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`double`	`amount()`	Returns the amount of this transaction.
`int`	`compareTo(Transaction other)`	Returns a comparison of this transaction with `other`, by amount.
`Date`	`date()`	Returns the date of this transaction.
`static Comparator<Transaction>`	`dateOrder()`	Returns a comparator for comparing two transactions by date.
`int`	`hashCode()`	Returns a hash code for this transaction.
`static void`	`main(String[] args)`	Unit tests the data type.
`String`	`name()`	Returns the name of the person involved in this transaction.
`static Comparator<Transaction>`	`nameOrder()`	Returns a comparator for comparing two transactions by name.
`String`	`toString()`	Returns a string representation of this transaction.

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

- Constructor Detail
  - Transaction
```
public Transaction(String name,
                   Date date,
                   double amount)
```
    Constructs a transaction from a name, date, and amount.
    
    Parameters:
    
    name - name of the person involved in this transaction.
    
    date - date of this transaction.
    
    amount - amount of this transaction.
  - Transaction
```
public Transaction(String s)
```
    Constructs a transaction from a string s of the form "name date amount".
    
    Parameters:
    
    s - the string.
- Method Detail
  - name
```
public String name()
```
    Returns the name of the person involved in this transaction.
    
    Returns:
    
    the name of the person involved in this transaction.
  - date
```
public Date date()
```
    Returns the date of this transaction.
    
    Returns:
    
    the date of this transaction.
  - amount
```
public double amount()
```
    Returns the amount of this transaction.
    
    Returns:
    
    the amount of this transaction.
  - hashCode
```
public int hashCode()
```
    Returns a hash code for this transaction.
    
    Overrides:
    
    hashCode in class Object
    
    Returns:
    
    a hash code for this transaction.
  - toString
```
public String toString()
```
    Returns a string representation of this transaction.
    
    Overrides:
    
    toString in class Object
    
    Returns:
    
    a string representation of this transaction.
  - compareTo
```
public int compareTo(Transaction other)
```
    Returns a comparison of this transaction with other, by amount.
    
    Specified by:
    
    compareTo in interface Comparable<Transaction>
    
    Parameters:
    
    other - the other transaction.
    
    Returns:
    
    a comparison of this transaction with other, by amount.
  - nameOrder
```
public static Comparator<Transaction> nameOrder()
```
    Returns a comparator for comparing two transactions by name.
    
    Returns:
    
    a comparator for comparing two transactions by name.
  - dateOrder
```
public static Comparator<Transaction> dateOrder()
```
    Returns a comparator for comparing two transactions by date.
    
    Returns:
    
    a comparator for comparing two transactions by date.
  - main
```
public static void main(String[] args)
```
    Unit tests the data type.
    
    Parameters:
    
    args - the command-line arguments.

Class Transaction

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

Transaction

Transaction

Method Detail

name

date

amount

hashCode

toString

compareTo

nameOrder

dateOrder

main