【Java】复制文件打印流改进版

package LearnJava15;

import java.io.*;

public class CopyFileDemo {
    public static void main(String[] args) throws IOException {
        BufferedReader br=new BufferedReader(new FileReader("D:\\MyProject\\Java\\Demo2\\src\\LearnJava15\\ps.txt"));
        PrintWriter pw=new PrintWriter(new FileWriter("D:\\MyProject\\Java\\Demo2\\src\\LearnJava15\\ps2.txt"),true);

//        读写数据，复制文件
        String line;
        while ((line=br.readLine())!=null){
            pw.println(line);
        }
        pw.close();
        br.close();
    }
}