java中如何查找一个目录下是否包含指定后缀名结尾的文件名呢？

实现思路:
    使用Files.newDirectoryStream即可获取指定路径下所有指定后缀名结尾的文件

package com.java265.test;

import java.io.IOException;
import java.nio.file.DirectoryStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;

public class TestMain {
    public static void main(String[] args) {
        Path dir = Paths.get("D:/opt/logs");

        try (DirectoryStream<Path> stream = Files.newDirectoryStream(dir, "*.log")) {
            for (Path entry : stream) {
                System.out.println(entry.getFileName());
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    } 
}