Write a Java Program to Count Number of Digits in an Integer

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public class Main {

  public static void main(String[] args) {

    int count = 0, num = 0003452;

    while (num != 0) {
      // num = num/10
      num /= 10;
      ++count;
    }

    System.out.println("Number of digits: " + count);
  }
}