What is Singleton class and is circuit breaker pattern.

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Singleton class is a design pattern that restricts the instantiation of a class to one object, while circuit breaker pattern is a design pattern used in software development to prevent cascading failures.

Singleton class ensures that a class has only one instance and provides a global point of access to it.
Circuit breaker pattern is used to detect failures and prevent them from causing further damage by temporarily stopping the execution of a function or service.
Example of Singleton class: Database connection manager in a web application.
Example of circuit breaker pattern: A service that monitors the response time of a function and opens the circuit if it exceeds a certain threshold.

What is Singleton class and is circuit breaker pattern.

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