Java:读取HUGE文件的最后n行

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

public class ReadLastNLines {
    public static List<String> readLastNLines(String filePath, int n) throws IOException {
        List<String> lines = new ArrayList<>();
        try (BufferedReader reader = new BufferedReader(new FileReader(filePath))) {
            String line;
            while ((line = reader.readLine()) != null) {
                lines.add(line);
                if (lines.size() > n) {
                    lines.remove(0);
                }
            }
        }
        return lines;
    }

    public static void main(String[] args) {
        String filePath = "path/to/huge/file.txt";
        int n = 10;
        try {
            List<String> lastNLines = readLastNLines(filePath, n);
            for (String line : lastNLines) {
                System.out.println(line);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}