CallZone

java.lang.Object
- CallZone

```
public class CallZone
extends Object
```
A class that specifies a set of call zones for making long distance calls using phone cards. The valid call zones are identified by the given static constants.

Author:

CSE1030

Field Summary

Fields
Modifier and Type	Field and Description
`static CallZone`	`AFRICA` The call zone for Africa.
`static CallZone`	`ANZ` The call zone for Australia and New Zeland.
`static CallZone`	`ASIA` The call zone for Asia.
`static CallZone`	`CANADA` The call zone for Canada.
`static CallZone`	`EUROPE` The call zone for Europe.
`static CallZone`	`LATINAM` The call zone for Latin America.
`static CallZone`	`USA` The call zone for the United States.

Method Summary

Methods
Modifier and Type	Method and Description
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`static Set<CallZone>`	`getAllZones()` Produces the set of all valid call zones.
`int`	`hashCode()` Creates a hash code for the object, which is the hash code of the string that is the call zone's name.
`String`	`toString()` Creates a string representation of the object; the call zone's name is returned.

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

- Field Detail
  - CANADA
```
public static final CallZone CANADA
```
    The call zone for Canada.
  - USA
```
public static final CallZone USA
```
    The call zone for the United States.
  - EUROPE
```
public static final CallZone EUROPE
```
    The call zone for Europe.
  - ASIA
```
public static final CallZone ASIA
```
    The call zone for Asia.
  - ANZ
```
public static final CallZone ANZ
```
    The call zone for Australia and New Zeland.
  - LATINAM
```
public static final CallZone LATINAM
```
    The call zone for Latin America.
  - AFRICA
```
public static final CallZone AFRICA
```
    The call zone for Africa.
- Method Detail
  - getAllZones
```
public static Set<CallZone> getAllZones()
```
    Produces the set of all valid call zones.
    
    Returns:
    the set of all valid call zones.
  - toString
```
public String toString()
```
    Creates a string representation of the object; the call zone's name is returned.
    
    Overrides:
    
    toString in class Object
    
    Returns:
    the string representation of the object.
  - hashCode
```
public int hashCode()
```
    Creates a hash code for the object, which is the hash code of the string that is the call zone's name.
    
    Overrides:
    
    hashCode in class Object
    
    Returns:
    the object's hash code.
  - equals
```
public boolean equals(Object obj)
```
    Indicates whether some other object is "equal to" this one. The result is true if and only if the argument is not null, is a call zone, and both objects have the same name.
    
    Overrides:
    
    equals in class Object
    
    Parameters:
    obj - The object to compare with.
    
    Returns:
    true if the call zones' names are equal; false otherwise.

Class CallZone

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

CANADA

USA

EUROPE

ASIA

ANZ

LATINAM

AFRICA

Method Detail

getAllZones

toString

hashCode

equals