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Exceptions are for exceptional conditions, not flow control.
The book compares messy classes to clean classes using SOLID principles. java by comparison pdf
Functions are the verbs of your program. They should do one thing, do it well, and do it only. Exceptions are for exceptional conditions, not flow control
It means placing Java side‑by‑side with other languages (C++, Python, C#, Go) or with its own past versions (Java 8 vs. Java 17/21). By seeing what Java does differently , you understand why it does what it does. Exceptions are for exceptional conditions
Each comparison teaches a deeper language design lesson.
Replacing "magic numbers" with constants, favoring enums over integer constants, and using for-each loops instead of traditional for-loops .