Dec 25, 2025 · 4 min read · Modern Spring applications work smoothly not because of magic, but because of two foundational principles: Inversion of Control (IoC) and Dependency Injection (DI). Understanding these properly changes how you design Java applications. What Is Invers...
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Dec 17, 2025 · 4 min read · 從這一章開始，我們要從「把功能做出來 (Make it work)」進階到「把程式寫好 (Make it right)」。而區分 Rookie 與 Junior 最明顯的分水嶺，就在於是否懂得 「解耦 (Decoupling)」。 什麼是「耦合」 想像買了一台桌機，但它的滑鼠是「焊死」在主機板上的。如果想換成電競滑鼠？抱歉，要把整台主機板拆換掉。如果滑鼠壞了？抱歉，整台電腦送修。 這就是 「高耦合」。 在程式碼中，最常見的高耦合就是 在類別內部直接 new 另一個物件。 範例 假設我們有一個 O...
Join discussionSep 2, 2025 · 3 min read · In springboot we use IoC (Inversion of control) spring container to manage our objects instead of creating manually like new Object(). So why we do that ? when we create object manually it might cause memory leak, tight coupling, limited flexibility ...
Join discussionMar 7, 2025 · 2 min read · Spring Framework is widely used for building enterprise applications in Java, and at the core of its design lies Dependency Injection (DI) and the Inversion of Control (IoC) container. These concepts make applications more maintainable, testable, and...
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Jan 8, 2025 · 2 min read · Spring / spring boot frameworks we get two IOC containers They are a)Bean Factory b)Application Context Spring/Spring Framework are given for two basic operations: 1) Spring Bean Life Cycle Management activities are: loading spring bean ,creating the...
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