package 流;import java.io.BufferedWriter;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.FileWriter;import java.io.IOException;import java.io.OutputStream;public class 写 {        public static String path="d://test.txt";    public static void main(String[] args) {        BufferedWriterDemo();    }        //字节流    public static void OutputStream(){                try {            OutputStream outputStream=new FileOutputStream(path);            String str="hello world";            byte[] b=str.getBytes();            for(int i=0; i<b.length; i++)                try {                    outputStream.write(b[i]);                } catch (IOException e) {                    // TODO Auto-generated catch block                    e.printStackTrace();                }        } catch (FileNotFoundException e) {            // TODO Auto-generated catch block            e.printStackTrace();        }    }        //字符流    public static void FileWriterDemo(){        FileWriter fileWriter;        try {            fileWriter = new FileWriter(path);            String str="hello word";            fileWriter.write(str);            fileWriter.flush();        } catch (IOException e) {            // TODO Auto-generated catch block            e.printStackTrace();        }    }        //缓冲流    public static void BufferedWriterDemo(){        BufferedWriter bufferedWriter;        try {            bufferedWriter = new BufferedWriter(new FileWriter(path));            String str="hello word";            bufferedWriter.write(str);            bufferedWriter.flush();        } catch (IOException e) {            // TODO Auto-generated catch block            e.printStackTrace();        }    }}