求任意数字的位数是几个

Question

int count=0;Scanner scanner=new Scanner(System.in);System.out.println("请输入任意一个整数");long y = scanner.nextInt();for(;y!=0;y/=10){//System.out.println(y%10);count++;}System.out.println(count);

Answer 1

int num = 666;
String str = String.valueOf(num);
System.out.println(str.length());
for(char c : str.toCharArray()){
System.out.println(c);
}