ResourceBundle getKeys() in Java

getKeys(): This method is available in java.util.ResourceBundle class of Java.

Syntax:

Enumeration<String> java.util.ResourceBundle.getKeys()

This method returns an enumeration of the keys.

Parameters: NA

Returns: an Enumeration of the keys contained in this ResourceBundle and its parent bundles.

Exceptions: NA

Approach

Java

import java.util.Enumeration;
import java.util.Locale;
import java.util.ResourceBundle;

public class ResourceBundlegetKeys {
    public static void main(String[] args) {

        ResourceBundle bundle = 
              ResourceBundle.getBundle("Hello", Locale.US);

        Enumeration<String> enumeration = bundle.getKeys();

        while (enumeration.hasMoreElements()) {
            System.out.print(enumeration.nextElement() + " ");

        }

    }
}

Output:

Hello