Aapna Infotech Senior Consultant Interview Questions and Answers

Middleware acts as a bridge between different systems, allowing them to communicate and exchange data.

• Middleware facilitates communication between different software applications or components.

• It helps in integrating various systems and technologies, enabling seamless data exchange.

• Middleware can provide services such as message queuing, data transformation, and security.

• Examples of middleware include message brokers l...read more

String is immutable while StringBuilder is mutable. StringBuilder is more efficient for concatenating multiple strings.

• String is immutable, meaning once created it cannot be changed. Any operation that appears to modify a string actually creates a new string object.

• StringBuilder is mutable, allowing for modifications to the existing object without creating a new one. This makes it more efficient for concatenating multi...read more