数据输入输出流

public class Example_01 {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        try {
            FileOutputStream fs = new FileOutputStream("word.txt");
            DataOutputStream ds = new DataOutputStream(fs);
            ds.writeUTF("使用writeUFT()方法写入数据");
            ds.writeChars("使用writeChars()方法写入数据");
            ds.writeBytes("使用writeBytes()方法写入数据");
            ds.close();
            FileInputStream fis = new FileInputStream("word.txt");
            DataInputStream dis = new DataInputStream(fis);
            System.out.println(dis.readUTF());
            
        } catch (Exception e) {
            // TODO: handle exception
            e.printStackTrace();
        }
    }

}