Скачать или смотреть 90% Java Developer Don't know how to break Singleton Design Pattern | Learn to Crete and Break it

🎯 In this video, we’ll understand the most famous creational design pattern in Java — the *Singleton Design Pattern* — and also learn *how it can be broken* using Reflection, Cloning, and Serialization!

💡 The Singleton Pattern ensures that only one instance of a class exists throughout the application. But… can we really make it 100% safe? Let’s find out!

📘 What You’ll Learn:
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✅ What is the Singleton Design Pattern
✅ Real-life examples of Singleton (Logger, DB Connection, Config Manager)
✅ Step-by-step Singleton implementation in Java
✅ How Singleton can be broken:
🔹 Using Reflection
🔹 Using Cloning
🔹 Using Serialization
✅ How to prevent Singleton from breaking
✅ Interview Questions & Best Practices

👨‍💻 Code Examples Covered:
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• Lazy Initialization Singleton
• Thread-safe Singleton (Double-checked Locking)
• Enum-based Singleton (Best Practice)
• Demonstration of breaking Singleton in 3 ways

🧱 Real-Life Example:
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Think of a *Printer Spooler* — there should be only one instance managing all print jobs. Singleton ensures that, but we’ll see how developers accidentally “break” it.

🔥 Bonus: End of the video includes *interview tips* and *tricky questions* around Singleton!