OOP on Fincz Finance Blog /tags/oop/ Recent content in OOP on Fincz Finance Blog Hugo en Copyright © 2020-2026 Fincz. All Rights Reserved. Mon, 20 May 2024 08:00:00 +0530 Top 10 Java Design Patterns for Senior Developers /java-design-patterns-qna/ Mon, 20 May 2024 08:00:00 +0530 /java-design-patterns-qna/ Top 10 Java Design Patterns for Senior Developers

Design patterns are reusable, proven solutions to commonly occurring problems within a given context in software design. For senior developers, a deep understanding of these patterns is crucial for building scalable, maintainable, and flexible applications.

Creational Patterns

Creational patterns provide various object creation mechanisms, which increase flexibility and reuse of existing code.

1. Singleton Pattern

Intent: Ensures a class has only one instance and provides a global point of access to it.

]]> Advanced Java Interview Questions for Senior Developers /java-questions-and-answers/ Thu, 18 May 2023 08:00:00 +0530 /java-questions-and-answers/ Advanced Java Interview Questions for Senior Developers

Q: Explain the role of the Java Class Loader.

Business Use Case: “Our application uses a proprietary JDBC driver JAR that is not part of the standard Java libraries. How does the JVM find and load the classes from this JAR at runtime?”

Answer: “This is handled by the Java Class Loader subsystem, which follows a delegation model. When the application needs a class, the request is passed up a hierarchy of class loaders:

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