How to use for loop without body in Java?

In this program, instead of using a while loop, we use a for loop without any body. On each iteration, the value of num is divided by 10 and count is incremented by 1. The for loop exits when num != 0 is false, i.e. num = 0. Since, for loop doesn’t have a body, you can change it to a single statement in Java as such:
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