Software Net Engineer Interview Questions and Answers

Count occurrences of a specific letter in a given string and return the total count.

• Use a loop to iterate through each character in the string.

• Maintain a counter that increments when the target letter is found.

• Example: For string 'hello' and letter 'l', count = 2.

• Consider case sensitivity: 'A' and 'a' are different.

• Return the final count after checking all characters.

Oops concept is a programming paradigm that focuses on objects and classes to organize code and improve reusability.

• Oops concept stands for Object-Oriented Programming System.

• It involves concepts like inheritance, encapsulation, polymorphism, and abstraction.

• Implementation of Oops concept helps in creating modular, reusable, and maintainable code.

• Oops concept can be implemented in languages like Java, C++, Python, etc.

• Example: Creating a class 'Car' with properties like 'make...read more

Securing a web API involves implementing authentication, authorization, encryption, and input validation.

• Implement authentication using tokens or API keys

• Use HTTPS to encrypt data transmitted between client and server

• Implement authorization to control access to different API endpoints

• Validate and sanitize input data to prevent injection attacks

Error handling in software development is crucial for ensuring smooth operation and user experience.

• Use try-catch blocks to handle exceptions and prevent crashes.

• Implement logging to track errors and debug issues.

• Display user-friendly error messages to guide users on how to resolve issues.