writing data into the file usinf FileOutputStream in java

import java.io.*;
public class First {

public static void main(String[] args) throws IOException {
// TODO Auto-generated method stub
DataInputStream dis = new DataInputStream(System.in);
FileOutputStream fout = new FileOutputStream("test.txt");
char ch;
while((ch = (char)dis.read())!='*'){
fout.write(ch);
}
fout.close();
}

}

Output:-

q

w

e

r

t

y

u

i

*

In text file:-

q

w

e

r

t

y

u

i