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This article mainly introduces "how to judge three digits by java". In daily operation, I believe many people have doubts about how to judge three digits by java. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful to answer the doubts about "how to judge three digits by java". Next, please follow the editor to study!

Define a test number first

Then you can convert the number into a string to determine whether its length is 3.

Gets a value that determines whether the number ranges from 100 to 1000

Or judge that the number is greater than 100 and divided by 100 or less than 10

Use a loop to process 10 or there is a value twice, and then determine whether the value divided by 10 is equal to 0.

If it is a decimal value, you can convert the number into a string and then determine the length by replacing the decimal point.

At this point, the study of "how to judge three digits by java" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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