coding ++: java to split a single integer value

method one:

int num = 100;
int[] ary = new int[(num+"").length()];
for(int i = ary.length-1;i>=0;i--){
    ary[i] = num%10;
    num /= 10;
}
for(int i:ary){
    System.out.println(i);
}