缓冲字符流

public class BufferTest {
    public static void main(String[] args) throws Exception{
//        testBufferedReader();
//        testBufferedWrite("我是你爸爸");
        copyFile("C:\\Users\\Administrator\\Desktop\\JavaSE\\基本语法\\src\\com\\缓冲字节流\\tt1","C:\\Users\\Administrator\\Desktop\\JavaSE\\基本语法\\src\\com\\缓冲字节流\\tt3");
    }
    public static void testBufferedReader() throws Exception{
        FileReader fileReader = new FileReader("C:\\Users\\Administrator\\Desktop\\JavaSE\\基本语法\\src\\com\\缓冲字节流\\tt1");
        BufferedReader bufferedReader = new BufferedReader(fileReader);
        char[] c = new char[1024];
        int len = 0;
        while ((len = bufferedReader.read(c)) != -1){
            System.out.println(new String(c,0,len));
        }
        bufferedReader.close();
        fileReader.close();
    }

    public static void testBufferedWrite(String str) throws Exception{
        FileWriter fileWriter = new FileWriter("C:\\Users\\Administrator\\Desktop\\JavaSE\\基本语法\\src\\com\\缓冲字节流\\tt2");
        BufferedWriter bufferedWriter = new BufferedWriter(fileWriter);
        bufferedWriter.write(str);
        bufferedWriter.flush();
        bufferedWriter.close();
        fileWriter.close();
    }

    public static void copyFile(String inPath,String outPath) throws Exception{
        BufferedReader bufferedReader = new BufferedReader(new FileReader(inPath));
        BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(outPath));
        char[] c = new char[1024];
        int len = 0;
        while ((len = bufferedReader.read(c))!=-1){
            bufferedWriter.write(c,0,len);
        }
        bufferedWriter.flush();
        bufferedReader.close();
        bufferedWriter.close();
    }
}