Thomson Reuters Application Analyst 2 Interview Questions and Answers

Q1. Explain react dom in details
Ans. 
React DOM is a package that provides methods for updating the DOM in response to React components.
• React DOM is used to render React components to the DOM.

• It provides methods like ReactDOM.render() to render components.

• React DOM efficiently updates the DOM when the state of a component changes.

• It handles events and updates the DOM accordingly.

• React DOM is separate from React itself, allowing for flexibility in rendering
Answered by AI
Add your answer
Q2. Explain MVC in rails
Ans. 
MVC in Rails is a software design pattern that separates the application into three main components: Model, View, and Controller.
• Model: Represents the data and business logic of the application.

• View: Represents the user interface of the application.

• Controller: Acts as an intermediary between the Model and View, handling user input and updating the Model accordingly.

• Example: In a Rails application, a User model would ha...read more
Answered by AI
Add your answer

Write code for micro service

Q1. Explain singleton
Ans. 
Singleton is a design pattern that restricts the instantiation of a class to one object.
• Singleton pattern ensures that a class has only one instance and provides a global point of access to it.

• Commonly used in scenarios where only a single instance of a class is needed, such as database connections or configuration settings.

• Implementation can involve a private constructor, a static method to access the instance, and a ...read more
Answered by AI
Add your answer

Q1. 2nd largest element in array
Ans. 
Find the 2nd largest element in an array of strings.
• Sort the array in descending order

• Access the element at index 1 to get the 2nd largest element
Answered by AI
Add your answer
Q2. Top view of given binary tree
Ans. 
To get the top view of a binary tree, we need to find the nodes that are visible when looking at the tree from the top.
• Start from the root node and assign it a horizontal distance of 0.

• Traverse the tree using a queue and keep track of the horizontal distance of each node.

• For each horizontal distance, only keep the node with the smallest level in the result.

• Repeat the process for left and right child nodes, updating the
Answered by AI
Add your answer

Q1. Questions related to iOS and swift basics
Add your answer
Q2. Design NotificationCenter
Ans. 
NotificationCenter is a system that enables communication between different parts of an application.
• NotificationCenter allows components of an application to communicate without having direct references to each other.

• It uses the observer pattern where objects register themselves as observers for specific notifications.

• Notifications can be posted to the NotificationCenter with optional data.

• Observers can then receive an...read more
Answered by AI
Add your answer

Q1. Design twitter feed & solid principles
Ans. 
Design a Twitter feed using SOLID principles
• Separate classes for each responsibility (Single Responsibility Principle)

• Use interfaces to define behavior and allow for easy swapping of implementations (Open/Closed Principle)

• Dependency Injection to decouple components and make testing easier (Dependency Inversion Principle)

• Liskov Substitution Principle to ensure derived classes can be substituted for their base classes wi...read more
Answered by AI
Add your answer

Q1. It was hiring manger rounds .. Behavioural questions
Add your answer
Q2. First occurence of given number in sorted array
Ans. 
Find the first occurrence of a given number in a sorted array.
• Use binary search to efficiently find the first occurrence of the number.

• Keep track of the index of the first occurrence as you search through the array.

• Return the index of the first occurrence once found.
Answered by AI
Add your answer

Asked QRE question and some query questions

Q1. Introduce yourself
Ans. 
I am a passionate application developer with experience in creating innovative solutions for various industries.
• Experienced in developing web and mobile applications using languages such as Java, JavaScript, and Swift

• Proficient in database management and integration with applications

• Strong problem-solving skills and ability to work in a team environment

• Familiar with Agile development methodologies and continuous integr
Answered by AI
Add your answer
Q2. What are the technology you are familiar with
Ans. 
I am familiar with a variety of technologies including Java, Python, SQL, HTML, CSS, JavaScript, and Git.
• Java

• Python

• SQL

• HTML

• CSS

• JavaScript

• Git
Answered by AI
Add your answer