java BufferedReader BufferedWriter 复制中文文档

java 使用字符缓冲流复制中文文档，防止字节流乱码

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;

public class IOTest {


    public static void main(String[] args) throws IOException {
    	// 文件读取路径
        BufferedReader reader = new BufferedReader(new FileReader("lice.txt"));
        // 文件输出路径
        BufferedWriter writer = new BufferedWriter(new FileWriter("lice1.txt"));

        char[] chars = new char[2048];
        while (-1 != reader.read(chars)) {
            writer.write(chars);
        }

        writer.close();
        reader.close();
    }
}