RandomeAccessFile

RandomeAccessFile

use write replace writeBytes

public class RandomAccessFileTest {
    public static void main(String[] args) {
        try {
            RandomAccessFile file= new RandomAccessFile("c://temp//in.txt","rw");
            System.out.println(file.readLine());
            
            file.seek(file.length());
            //clear all
//            file.setLength(0l);
            
            //use write() to replace writeBytes
            file.write("hello ross test".getBytes());
            //writeBytes will has issue on UTF8
//            file.writeBytes("");
            file.close();
        } catch (FileNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
}