- Java.util Package Classes
- Java.util - Home
- Java.util - ArrayDeque
- Java.util - ArrayList
- Java.util - Arrays
- Java.util - BitSet
- Java.util - Calendar
- Java.util - Collections
- Java.util - Currency
- Java.util - Date
- Java.util - Dictionary
- Java.util - EnumMap
- Java.util - EnumSet
- Java.util - Formatter
- Java.util - GregorianCalendar
- Java.util - HashMap
- Java.util - HashSet
- Java.util - Hashtable
- Java.util - IdentityHashMap
- Java.util - LinkedHashMap
- Java.util - LinkedHashSet
- Java.util - LinkedList
- Java.util - ListResourceBundle
- Java.util - Locale
- Java.util - Observable
- Java.util - PriorityQueue
- Java.util - Properties
- Java.util - PropertyPermission
- Java.util - PropertyResourceBundle
- Java.util - Random
- Java.util - ResourceBundle
- Java.util - ResourceBundle.Control
- Java.util - Scanner
- Java.util - ServiceLoader
- Java.util - SimpleTimeZone
- Java.util - Stack
- Java.util - StringTokenizer
- Java.util - Timer
- Java.util - TimerTask
- Java.util - TimeZone
- Java.util - TreeMap
- Java.util - TreeSet
- Java.util - UUID
- Java.util - Vector
- Java.util - WeakHashMap
- Java.util Package Extras
- Java.util - Interfaces
- Java.util - Exceptions
- Java.util - Enumerations
- Java.util Useful Resources
- Java.util - Useful Resources
- Java.util - Discussion
Java.util.ResourceBundle.getKeys() Method
Description
The java.util.ResourceBundle.getKeys() method returns an enumeration of the keys.
Declaration
Following is the declaration for java.util.ResourceBundle.getKeys() method
public abstract Enumeration<String> getKeys()
Parameters
NA
Return Value
This method returns an Enumeration of the keys contained in this ResourceBundle and its parent bundles.
Exception
NA
Example
The following example shows the usage of java.util.ResourceBundle.getKeys() method.
package com.tutorialspoint; import java.util.Enumeration; import java.util.Locale; import java.util.ResourceBundle; public class ResourceBundleDemo { public static void main(String[] args) { // create a new ResourceBundle with specified locale ResourceBundle bundle = ResourceBundle.getBundle("hello", Locale.US); // print the text assigned to key "hello" System.out.println("" + bundle.getString("hello")); // get the keys Enumeration<String> enumeration = bundle.getKeys(); // print all the keys while (enumeration.hasMoreElements()) { System.out.println("" + enumeration.nextElement()); } } }
Assuming we have a resource file hello_en_US.properties available in your CLASSPATH, with the following content. This file will be used as an input for our example program −
hello = Hello World! bye = Goodbye World! morning = Good Morning World!
Let us compile and run the above program, this will produce the following result −
Hello World! hello bye morning
java_util_resourcebundle.htm
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