Scanner scan = new Scanner(System.in);
int number = 0;
int max = 0;
int min = 0;
int count = 0;

System.out.println("Avsluta genom att ange tal 0");

System.out.println("Ange ett tal");
number = scan.nextInt();
max = number;
min = number;

while(number != 0){
System.out.println("Ange ett tal");
number = scan.nextInt();

if(number != 0){
if(number > max){
max = number;
}
else if(number < min){
min = number;
}