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Java Program to Count Number of Digits in an Integer with explanation

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Count Number of Digits in a Number
In this example, we shall take a number initialized to an integer variable num, and initialize the count to zero.

Write a while loop, till while loop is zero, and in the body of while loop, we shall remove the last digit of the number and increment the count.

As the while loop runs for the number of digits in given number num, the resulting count value represents the number of digits in the initial num value.

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