java缓冲字符流，复制文件，数组读取、写入

package cwj.bbb;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Reader;
import java.io.Writer;



class StreamTest
{
	public static void main(String[] args) throws IOException
	{
		/*
		 * 把路径下的文件/home/cwjy1202/hadoop/javaTest/input02.txt
		 * 复制到/home/cwjy1202/hadoop/javaTest/input016.txt
		 * 以缓冲字符流、按数组的方式读取、写入
		 * */
		File file = new File("/home/cwjy1202/hadoop/javaTest/input02.txt");
		Reader br = new BufferedReader(new FileReader(file));
		Writer bw = new BufferedWriter(new FileWriter("/home/cwjy1202/hadoop/javaTest/input016.txt"));
		
		char[] cbuf = new char[1024];
		//数组读取
		int len = br.read(cbuf);
		while (-1 != len)
		{
			//数组写入
			bw.write(cbuf, 0, len);
			//数组读取
			len = br.read(cbuf);
		}
		
		//刷新缓冲区的数据，强制写入目标文件
		bw.flush();
		bw.close();
		br.close();
	}
}