1. Introduction

In Java, developers often deal with collections of data structures like List and Map. A List is an ordered collection, and a Map is an object that maps keys to values. Sometimes, we may encounter situations where we have a List of Map objects and we want to perform conversions or manipulations on this structure.

2. Program Steps

1. Import necessary libraries.

2. Create a List of Map objects.

3. Perform any necessary conversion or operation on the List of Map objects.

4. Display the result.

3. Code Program

// Step 1: Import necessary libraries
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class ListOfMapsExample {

    public static void main(String[] args) {

        // Step 2: Create a List of Map objects
        List<Map<String, String>> listOfMaps = new ArrayList<>();

        Map<String, String> map1 = new HashMap<>();
        map1.put("Animal", "Cat");
        map1.put("Sound", "Meow");

        Map<String, String> map2 = new HashMap<>();
        map2.put("Animal", "Dog");
        map2.put("Sound", "Bark");

        listOfMaps.add(map1);
        listOfMaps.add(map2);

        // Step 3: Perform any necessary conversion or operation on the List of Map objects
        // In this example, we simply print out the elements

        // Step 4: Display the result
        System.out.println("List of Maps:");
        for (Map<String, String> map : listOfMaps) {
            System.out.println(map);
        }
    }
}

Output:

List of Maps:
{Animal=Cat, Sound=Meow}
{Animal=Dog, Sound=Bark}

4. Step By Step Explanation

Step 1: We start by importing the necessary libraries for handling lists and maps.

Step 2: A List of Map objects is created and initialized. Two Map objects, map1 and map2, are created to store key-value pairs representing animals and their sounds. These maps are then added to the listOfMaps.

Step 3: In this step, we could perform any necessary conversion or operation on the List of Map objects. In this example, we have chosen to simply print out the elements of the List.

Step 4: The elements of the List of Map objects are printed to the console, displaying the animals and their corresponding sounds.