4. Write a JAVA program to take input a positive integer n from the user and print the number of digits in the sum of all digits of the number n.

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**Exercise 4: JAVA Program for Digit Sum Analysis**

Objective: Write a JAVA program to take input of a positive integer \( n \) from the user and print the number of digits in the sum of all digits of the number \( n \).

**Sample Input/Output:**

- **Enter n = 12345**

- **Sum of digits = 15**

- **Number of digits in the sum = 2**
Transcribed Image Text:**Exercise 4: JAVA Program for Digit Sum Analysis** Objective: Write a JAVA program to take input of a positive integer \( n \) from the user and print the number of digits in the sum of all digits of the number \( n \). **Sample Input/Output:** - **Enter n = 12345** - **Sum of digits = 15** - **Number of digits in the sum = 2**
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