How to Sort a List of Strings Alphabetically in Java?

Sorting a List of Strings Alphabetically

When dealing with a List containing country names or any other type of values, alphabetical sorting is often essential for organizing and accessing data efficiently. This article provides a solution to assist you in sorting a List lexicographically.

Solution

To sort a List alphabetically, you can utilize the Collections.sort() method, which provides a convenient way to arrange the elements in ascending order. This method accepts a list as an argument and modifies it in place, without the need to explicitly specify a comparator or sorting algorithm.

<code class="java">import java.util.Collections;
import java.util.List;

public class AlphabeticalSortingExample {

    public static void main(String[] args) {
        // Initialize a list of country names
        List<String> listOfCountryNames = List.of(
            "Zimbabwe", "Uruguay", "Switzerland", "Thailand", "South Korea", "Romania"
        );

        // Sort the list alphabetically
        Collections.sort(listOfCountryNames);

        // Print the sorted list
        System.out.println(listOfCountryNames);
    }
}</code>

In this example:

• We create a List containing several country names.
• We call Collections.sort(listOfCountryNames) to sort the list in ascending order based on the String values' natural ordering.
• Finally, we print the sorted list, which will be arranged alphabetically.

This straightforward approach utilizes the built-in sorting capabilities of the Java Collections Framework, making it a simple and effective solution for sorting a List alphabetically.

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