Java自学笔记：转换流

public class Test1 {
    public static void main(String[] args) {

//        Test1.testInputStreamReader();

        Test1.testOutputStreamWriter();
    }

    public static void testInputStreamReader(){
        try {
            FileInputStream in =new FileInputStream("C:\\Users\\李浩\\Desktop\\1\\src\\date8_22\\tt.txt");

            //把字节流转换为字符流
            InputStreamReader ir = new InputStreamReader(in,"UTF-8");//参数1是字节流，参数2是编码
            char[] b = new char[100];
            int len= 0;



            while ((len= ir.read(b))!=-1 ){
                System.out.println(new String(b,0,len));

            }
            ir.close();
            in.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public static void testOutputStreamWriter(){

        try {
            FileOutputStream out = new FileOutputStream("C:\\Users\\李浩\\Desktop\\1\\src\\date8_22\\tt.txt");
            OutputStreamWriter ow = new OutputStreamWriter(out,"UTF-8");

            char[] c =new char[100];

            String s ="三生三世十里麻花";
            ow.write(s);
            ow.flush();
            ow.close();
            out.close();
        } catch (Exception e) {
            e.printStackTrace();
        }


    }
}