1. Singleton pattern | Clean coding series | Java | Dumb Minds смотреть онлайн

In software engineering, the singleton pattern is a software design pattern that restricts the instantiation of a class to one "single" instance. This is useful when exactly one object is needed to coordinate actions across the system.
The singleton design pattern solves problems by allowing it to:
- Ensure that a class only has one instance
- Easily access the sole instance of a class
- Control its instantiation
- Restrict the number of instances
- Access a global variable

Follow the technique to create a thread safe singleton instance out of a class.

Timelines:
00:00 Book definition
00:25 create singleton class
01:19 making thread safe
02:24 public members to see values
03:06 Execution on runner class
04:25 comparing values

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