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## java.util
Class ListResourceBundle

    java.lang.Object
      |
      +--java.util.ResourceBundle
            |
            +--java.util.ListResourceBundle

Direct Known Subclasses:
  LocaleElements, LocaleElements_en, LocaleElements_en_US

public abstract class ListResourceBundle
extends ResourceBundle

`ListResourceBundle` is a abstract subclass of `ResourceBundle` that manages resources for a locale in a convenient and easy to use list. See `ResourceBundle` for more information about resource bundles in general.

Subclasses must override `getContents` and provide an array, where each item in the array is a pair of objects. The first element of each pair is a `String` key, and the second is the value associated with that key. [Right now, there's no error-checking code to enforce this, so you could specify key-value pairs that have something other than a String as a key. But since the interfaces are defined in terms of String, any value with a key that isn't a String will be inaccessible.]

In the following example, the keys are of the form "s1"... The actual keys are entirely up to your choice, so long as they are the same as the keys you use in your program to retrieve the objects from the bundle. Keys are case-sensitive. `MyResource` is the default version of the bundle family, and `MyResource_fr` is the french version:

>      //====================
>      class MyResource extends ListResourceBundle {
>       public Object[][] getContents() {
>           return contents;
>       }
>       static final Object[][] contents = {
>       // LOCALIZE THIS
>           {"s1", "3"},        // starting value in choice field
>           {"s2", "MyDisk"},    // starting value in string field
>           {"s3", "3 Mar 96"}, // starting value in date field
>           {"s4", "The disk '{1}' contained {0} on {2}."}, // initial pattern
>           {"s5", "0"},        // first choice number
>           {"s6", "no files"}, // first choice value
>           {"s7", "1"},        // second choice number
>           {"s8", "one file"}, // second choice value
>           {"s9", "2"},        // third choice number
>           {"s10", "{0}|3 files"}, // third choice value
>           {"s11", "format threw an exception: {0}"},  // generic exception message
>           {"s12", "ERROR"},   // what to show in field in case of error
>           {"s14", "Result"},  // label for formatted stuff
>           {"s13", "Dialog"},  // standard font
>           {"s15", "Pattern"}, // label for standard pattern
>           {"s16", new Dimension(1,5)} // real object, not just string
>       // END OF MATERIAL TO LOCALIZE
>       };
>      }
>      //====================
>      class MyResource_fr  extends ListResourceBundle {
>       public Object[][] getContents() {
>           return contents;
>     }
>       static final Object[][] contents = {
>       // LOCALIZE THIS
>           {"s1", "3"},        // starting value in choice field
>           {"s2", "MonDisk"},  // starting value in string field
>           {"s3", "3 Mar 96"}, // starting value in date field
>           {"s4", "Le disk '{1}' a {0} a {2}."},   // initial pattern
>           {"s5", "0"},        // first choice number
>           {"s6", "pas de files"}, // first choice value
>           {"s7", "1"},        // second choice number
>           {"s8", "une file"}, // second choice value
>           {"s9", "2"},        // third choice number
>           {"s10", "{0}|3 files"}, // third choice value
>           {"s11", "Le format a jete une exception: {0}"}, // generic exception message
>           {"s12", "ERROR"},   // what to show in field in case of error
>           {"s14", "Resulte"}, // label for formatted stuff
>           {"s13", "Dialogue"},    // standard font
>           {"s15", "Pattern"}, // label for standard pattern
>           {"s16", new Dimension(1,3)} // real object, not just string
>       // END OF MATERIAL TO LOCALIZE
>       };
>      }

Since:
  JDK1.1
See Also:
  `ResourceBundle`, `PropertyResourceBundle`

Fields inherited from class java.util.ResourceBundle
`parent`

Constructor Summary
`ListResourceBundle()` Sole constructor.

Method Summary
`protected abstract Object[][]` | `getContents()` See class description.
`Enumeration` | `getKeys()` Implementation of ResourceBundle.getKeys.
`Object` | `handleGetObject(String key)` Override of ResourceBundle, same semantics

Methods inherited from class java.util.ResourceBundle
`getBundle, getBundle, getBundle, getLocale, getObject, getString, getStringArray, setParent`

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

Constructor Detail

### ListResourceBundle

    public ListResourceBundle()

  Sole constructor. (For invocation by subclass constructors, typically implicit.)

Method Detail

### handleGetObject

    public final Object handleGetObject(String key)

  Override of ResourceBundle, same semantics
  Overrides:
    `handleGetObject` in class `ResourceBundle`
  Following copied from class: `java.util.ResourceBundle`
  Parameters:
    `key` - see class description.
  Throws:
    `NullPointerException` - if `key` is `null`.

### getKeys

    public Enumeration getKeys()

  Implementation of ResourceBundle.getKeys.
  Overrides:
    `getKeys` in class `ResourceBundle`

### getContents

    protected abstract Object[][] getContents()

  See class description.

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