What do those arrows mean in Robert Martin's book?

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Rag'n' Code Man2021-07-07 23:13:41

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Rag'n' Code Man, 2021-07-07 23:13:41

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jcmvbkbc, 2021-07-07
@iDmitriyWinX

Here it is written about solid and dotted arrows in the picture: solid - dependency by code (the text from which the arrow exits depends on the text where the arrow is stuck), dotted - dependency by execution (the code from which the arrow exits one way or another causes the code to which the arrow sticks).
The triangular arrow is inheritance. Class ML1 is inherited from class I.