Capgemini Junior Java Developer Interview Questions and Answers

Microservices design patterns help in designing and implementing microservices architecture efficiently.

• Service Registry pattern - uses a central registry to manage service instances

• Circuit Breaker pattern - prevents cascading failures in distributed systems

• API Gateway pattern - provides a single entry point for clients to access multiple services

• Saga pattern - manages long-running transactions across multiple services

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A method in Java is a block of code that performs a specific task. It is defined within a class and can be called to execute its functionality.

• Methods are used to perform specific actions in a program.

• They are defined within a class and can be called to execute their code.

• Methods can have parameters and return values.

• Example: public void printMessage(String message) { System.out.println(message); }