I created the file early as
void writeFile(int [] t, String fileName) throws IOException
{
char buffer[];
FileWriter fin = new FileWriter(file Name);
for (int i =0; i < t.length; i++){
String s = String.valueOf( t[i]);
buffer = new char[s.length()];
s.getChars(0,s. length(),buffer , 0);
fin.write(buffe r);
fin.write('\n') ;
}
fin.close();...