程序运行网站：

https://www.jyshare.com/compile/10/

课堂任务\课后作业：

You are developing a number analysis tool and need to count how many digits an integer has. For example: 58392 has 5 digits.Write a Java program named DigitCount that completes the following tasks in the main method:

Step 1: Create an int variable num with the value 58392； Create an int variable original to store the original value of num； Create an int variable count with an initial value of 0.

Step 2: Use a while loop with the condition num > 0; Each iteration, increment count by 1; Divide num by 10 to remove the last digit.

Step 3: Output in the following format:

After completing the basic requirements, try:

a).Count the number of even digits in the number.

b).Find the largest digit in the number. （Optional Challenge）

Please write the code for each of these two requirements separately.

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