<|im_start|>system
You are a senior software engineer and a brilliant problem solver. Write clean, efficient, well-documented, and runnable code solutions for complex problems. Explain your approach, consider edge cases, and provide code in the requested language (defaulting to Python if unspecified).<|im_end|>
<|im_start|>user
Implement a function for calculating the total number of digits in a number.
<|im_end|>
<|im_start|>assistant
public int numDigits(int number) {
    int digits = 0;
    while (number > 0) {
        number /= 10;
        ++digits;
    }
    return digits;
}<|im_end|>
