Tricon Infotech Interview Questions and Answers

Identify and print the missing number from a sorted array containing numbers 1 to 10.

• Create an array with numbers from 1 to 10.

• Iterate through the array and check for missing numbers.

• Use a set for efficient lookup of existing numbers.

• Example: For input [1, 2, 3, 5, 6, 7, 8, 9, 10], output should be 4.

Key concepts of OOP include encapsulation, inheritance, polymorphism, and abstraction.

• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• Inheritance: Creating new classes based on existing classes, allowing for code reuse.

• Polymorphism: The ability for objects of different classes to respond to the same method call.

• Abstraction: Hiding the complex implementation details and ...read more

Middleware is software that acts as a bridge between an operating system or database and applications, allowing them to communicate with each other.

• Middleware is a layer of software that connects different components of an application, such as the frontend and backend.

• It can handle tasks like authentication, logging, error handling, and request processing.

• Custom middleware can be implemented by creating a function...read more

Indexers in C# allow objects to be indexed like arrays, providing a way to access elements using an index value.

• Indexers are defined using 'this' keyword followed by square brackets containing the index parameters.

• They can be used to get or set the value of an element in a collection or class.

• Example: public string this[int index] { get { return myArray[index]; } set { myArray[index] = value; }}

SPA stands for Single Page Application. Angular is a popular JavaScript framework for building SPAs.

• SPA is a web application that loads a single HTML page and dynamically updates the page as the user interacts with it.

• Angular is a front-end framework that allows developers to build dynamic web applications using HTML, CSS, and JavaScript.

• Angular uses components to create the user interface and services to handle b...read more

C is a compiled language with low-level memory manipulation capabilities, while Python is an interpreted language with high-level abstractions.

• C is faster and more memory-efficient than Python.

• Python has a simpler syntax and is easier to learn than C.

• C is better suited for system-level programming, while Python is better for scripting and rapid prototyping.

• C requires manual memory management, while Python has auto...read more