Aug 20, 2025 ยท 4 min read ยท โจ Introduction Continuing our comprehensive series on design patterns in C#, this fourth part introduces 5 additional patterns that enhance modularity, control flow, and system extensibility. Still using the notification system context, weโll explore...
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Apr 19, 2025 ยท 2 min read ยท ์ด๋ฒ ํธ์ ์ด์ ํธ์ผ๋ก๋ถํฐ ์ด์ด์ง๋๋ค. ์กฐ๊ธ ์๋ฆฌํ์ ๋ถ๋ค์ ์ด์ ํธ์์ ๋ค๋ฃฌ ํค๋ ๋ ธ๋๋ง์ผ๋ก๋ ์ถฉ๋ถ์น ์๋ค๋ ๊ฒ์ ๋๋ผ์ จ์ ๊ฒ์ ๋๋ค. ์ต์ํ ์ฒซ ๋ ธ๋์ ์์ธ๋ฅผ ๋ถ์ฌํ๋ ์ํฉ์ ํผํ์ผ๋ ํ์์๊ฐ null์์ ํ์ธํ๋ ๊ตฌํ ๋ํ ๋ง์กฑ์ค๋ฝ์ง๋ ์์ต๋๋ค. ์นด์ด๋ก์ ์ฝ๋ผ๋ฆฌ ์นด์ด๋ก์ ์ฝ๋ผ๋ฆฌ์ ๋ํด ์๊ณ ๊ณ์ญ๋๊น? ๋งํฌ๋ฅผ ํตํด ํ์ธํ์ค ์ ์์ต๋๋ค. ๊ฝค ์ฌ๋ฐ์ผ๋ฏ๋ก ํ๋ฒ ์ฝ์ด ๋ณด์๊ธธ ์ถ์ฒํฉ๋๋ค. ์ฌ๊ธฐ์ ์ค์ํ ์์ด๋์ด๋ ๋ ์์น์ ๋ฏธ๋ฆฌ ์ฝ๋ผ๋ฆฌ๋ฅผ ๋๋ค๋ ๊ฒ...
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Dec 18, 2023 ยท 2 min read ยท Are you returning null from your methods? Are you branching your code with "if not null"? Do you often see null reference exceptions in your production logs? Read on to understand how you can design to completely avoid null in your codebase. Sir To...
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Oct 8, 2023 ยท 2 min read ยท The null object pattern replaces null values within a specific object with a custom null object that is of the same class. The null object's fields will have default values, preventing it from causing a null pointer exception. Example f we don't use ...
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