Java.util.ListResourceBundle.getContents() Method



The java.util.ListResourceBundle.getContents() method returns an array in which each item is a pair of objects in an Object array. The first element of each pair is the key, which must be a String, and the second element is the value associated with that key


Following is the declaration for java.util.ListResourceBundle.getContents() method

protected abstract Object[][] getContents()


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Return Value

This method returns an array of an Object array representing a key-value pair.


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The following example shows the usage of java.util.ListResourceBundle.getContents() method.

package com.tutorialspoint;

import java.util.*;

// create a class that extends to ListResourceBundle
class MyResources extends ListResourceBundle {

   // get contents must be implemented
   protected Object[][] getContents() {
   return new Object[][]{
   {"hello", "Hello World!"},
   {"bye", "Goodbye World!"},
   {"goodnight", "Goodnight World!"}

public class ListResourceBundleDemo {

   public static void main(String[] args) {

   // create a new MyResources instance
   MyResources mr = new MyResources();

   // print the string for key hello
   System.out.println("" + mr.getString("hello"));

Let us compile and run the above program, this will produce the following result:

Hello World!