diff --git a/subjects/java/checkpoints/digitlen/README.md b/subjects/java/checkpoints/digitlen/README.md new file mode 100644 index 000000000..b4aab6fa9 --- /dev/null +++ b/subjects/java/checkpoints/digitlen/README.md @@ -0,0 +1,36 @@ +## Digitlen + +### Instructions + +In a file named `Digitlen.java` write a function `digitlen` that returns the count of digits in the number passed as a parameter. + +### Expected Functions + +```java +public class Digitlen { + public static int digitlen(long number) { + // your code here + } +} +``` + +### Usage + +Here is a possible `ExerciseRunner.java` to test your function : + +```java +public class ExerciseRunner { + public static void main(String[] args) { + System.out.println(Digitlen.digitlen(9989898878)); + } +} +``` + +and its output : + +```shell +$ javac *.java -d build +$ java -cp build ExerciseRunner +10 +$ +```