Convert a List of String to a comma separated String in Java

// Java program to convert List of String
// to comma separated String

import java.util.*;

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

        // Get the List of String
        List<String>
            list = new ArrayList<>(
                Arrays
                    .asList("Geeks",
                            "ForGeeks",
                            "GeeksForGeeks"));

        // Print the List of String
        System.out.println("List of String: " + list);

        // Convert the List of String to String
        String string = String.join(",", list);

        // Print the comma separated String
        System.out.println("Comma separated String: "
                           + string);
    }
}