public static void main(String[] args) throws IOException {
BufferedWriter bfw = new BufferedWriter(new FileWriter("c:\\text.txt"));
Scanner sc = new Scanner(System.in);
String line = null;
while(true){
line = sc.nextLine();
if("over".equals(line)){
break;
}
bfw.write(line.toUpperCase());
bfw.newLine();
bfw.flush();
}
bfw.close();
}