What does the following Java code do?

import java.io.PrintWriter;
import java.io.FileWriter;
import java.io.IOException;
public class AppendToFile {
    public static void main(String[] args) {
        try (PrintWriter out = new PrintWriter(new FileWriter("example.txt", true))) {
            out.println("Appended line");
        } catch (IOException e) {
            System.out.println("An error occurred.");
        }
    }
}