在项目文件夹下建立一个以utf8格式编码的reader.txt文件，里边输入四个汉字【科文学院】，然后编程将这个文件的内容复制到writer.txt文件中，文件编码也要是utf8格式。 部分参考代码如下： FileInputStream in = new FileInputStream("reader.txt"); InputStreamReader isr = new InputStreamReader(in,"utf8"); BufferedReader br = new BufferedReader(isr); FileOutputStream out = new FileOutputStream("writer.txt"); OutputStreamWriter osw = new OutputStreamWriter(out,"utf8"); BufferedWriter bw = new BufferedWriter(osw);

好的，根据您的要求，以下是JAVA代码实现：

import java.io.*;

public class FileCopy {
    public static void main(String[] args) {
        try {
            FileInputStream in = new FileInputStream("reader.txt");
            InputStreamReader isr = new InputStreamReader(in, "utf8");
            BufferedReader br = new BufferedReader(isr);

            FileOutputStream out = new FileOutputStream("writer.txt");
            OutputStreamWriter osw = new OutputStreamWriter(out, "utf8");
            BufferedWriter bw = new BufferedWriter(osw);

            String line = "";
            while ((line = br.readLine()) != null) {
                bw.write(line);
            }

            br.close();
            bw.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

请确保在项目文件夹下已经存在名为"reader.txt"的文件，并且其中已经输入了"科文学院"四个汉字。运行后，程序会将"reader.txt"文件中的内容复制到新创建的"writer.txt"文件中，编码方式为utf8格式。