J2SE中 用不同方式的流完成对文件的拷贝

J2SE中 用不同形式的流完成对文件的拷贝

                        用不同形式的流完成对文件的拷贝

单纯的字符流：

package bufferedstream; import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.File;import java.io.FileNotFoundException;import java.io.FileReader;import java.io.FileWriter;import java.io.IOException; public class BufferedFileCopy {        publicstatic void main(String[] args) throws IOException {              FileReaderfr = new FileReader(new File("D:/buffered.txt"));       FileWriter fw = new FileWriter(new File("buf.txt"));       java.io.BufferedReader br = new BufferedReader(fr);       java.io.BufferedWriter bw = new BufferedWriter(fw);       String content = null;       while ((content = br.readLine())!= null) {                       bw.write(content);                       bw.newLine();                       bw.flush();              }       bw.close();       br.close();              } }