以下代码段使用缓冲区将数据追加到先前创建的文件中。
import java.io.BufferedWriter; import java.io.IOException; import java.nio.charset.Charset; /* n o w j a v a . c o m */ import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; import java.nio.file.StandardOpenOption; public class Main { public static void main(String[] args) { Path wiki_path = Paths.get("C:/folder1/wiki", "wiki.txt"); Charset charset = Charset.forName("UTF-8"); String text = "\ntest!"; try (BufferedWriter writer = Files.newBufferedWriter(wiki_path, charset,