package New_IO;

import java.io.*;

/**

• 缓冲字符流
  */
  public class Test3 {
  public static void main(String[] args) {
  try {
  // Test3.testBuffereReader(“F:\Java_project_new\src\New_IO\tt.txt”);
  // Test3.testBuffereWriter(“F:\Java_project_new\src\New_IO\tt2.txt”);
  Test3.CopyFile(“F:\Java_project_new\src\New_IO\tt2.txt”,
  “F:\Java_project_new\src\New_IO\tt3.txt”);
  } catch (Exception e) {
  e.printStackTrace();
  }
  }

  /**

  • 缓冲字符输入流
    /
    public static void testBuffereReader(String Reader) throws Exception {
    BufferedReader br = new BufferedReader( new FileReader(Reader));
    char [] c = new char [100];
    int len = 0 ;
    while ((len=br.read©) !=-1){
    System.out.println(new String(c,0,len));
    }
    br.close();
    }
    /*
  • 缓冲字符输出流
    */
    public static void testBuffereWriter(String Writer) throws Exception {
    BufferedWriter bw= new BufferedWriter( new FileWriter(Writer));
    String str = “Don’t let your past determine the future”;
    bw.write(str);
    bw.flush();
    bw.close();
    }

  /**

  • 使用缓冲字符流cp文件
    */
    public static void CopyFile (String Reader ,String Writer ) throws Exception {
    BufferedReader br = new BufferedReader( new FileReader(Reader));
    BufferedWriter bw= new BufferedWriter( new FileWriter(Writer));
    char [] c = new char[100];
    int len = 0;
    while ((len= br.read©) !=-1){
    bw.write(c,0,len);
    }
    bw.flush();
    bw.close();
    br.close();
    }
    }