LTIMindtree Software Engineer2 Interview Questions and Answers

Q1. Daemon thread in java
Ans. 
Daemon thread is a low priority thread that runs in the background and does not prevent the JVM from exiting.
• Daemon threads are used for tasks that do not require user interaction or continuous execution.

• They are automatically terminated when all non-daemon threads have finished.

• Set a thread as daemon using setDaemon(true) method before starting it.

• Example: Thread t = new Thread(); t.setDaemon(true); t.start();
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Q1. Basic questions like linked list, structures, pointers and C fundamentals
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Q2. Design questions like different framework models for effective communcation between control plane and data plame
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Q1. Projects worked in previous org
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Q2. Memory concepts in C and IPC
Ans. 
Memory concepts in C and IPC involve understanding memory management in C programming and inter-process communication techniques.
• Memory management in C involves concepts like stack, heap, and static memory allocation.

• IPC techniques include shared memory, message queues, and semaphores for communication between processes.

• Understanding pointers and memory allocation is crucial for efficient memory management in C program...read more
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Q1. Java Basics Technical Questions
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Q2. In depth knowledge OOPS concepts and basic practice skills of SQL operations
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Q3. In depth practice of String Manipulations using looping and conditional statements
Ans. 
String manipulation using loops and conditionals for software engineering
• Use loops to iterate through each character in the string

• Use conditional statements to check for specific conditions and manipulate the string accordingly

• Examples: reversing a string, counting occurrences of a specific character, removing whitespace
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Q4. In depth knowledge of J2ee concepts with any ORM / MVC framework skills
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Q1. Java Basics Technical Questions
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They just asked about my previous experience and questions from my resume

Q1. Bsod , how to handle angry customer ,
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Q1. What are custom hooks in React, and what are their use cases? Additionally, can you provide an example of a custom hook that performs an API call and utilizes the retrieved data?
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Q2. What is the difference between useMemo and useCallback in React?
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Q3. What is the difference between class-based components and functional components in React?
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Q4. How can you implement the lifecycle of a React component in a functional component?
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Q5. What are the various state management techniques available in React?
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Q6. What is the architecture of Redux, and what purposes do middlewares serve within it?
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Q7. What is hoisting in JavaScript?
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Q8. What is event bubbling in JavaScript?
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Q9. What are block scope and function scope in JavaScript?
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Q10. Have you had experience working with semantic tags in HTML?
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Q11. What are the various methods for creating an object in JavaScript?
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Q12. What are the differences between shallow copy and deep copy in JavaScript?
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Q13. What will be the output of the following JavaScript code fragment: `const a; function test() { console.log(a); }; test();`?
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Q14. How can you use CSS to arrange elements in a row and column layout?
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Q15. Have you utilized CSS preprocessors, and if so, which ones?
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Q16. If I have assigned different colors to an ID and a class and applied both to the same element, which color will be applied based on CSS specificity precedence?
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Average to easy difficulty level.

Q1. Java code of string manipulation
Ans. 
String manipulation in Java involves various methods like substring, concat, replace, etc.
• Use substring() to extract a part of the string

• Use concat() to concatenate two strings

• Use replace() to replace a specific character or substring in a string
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Q2. What is the Java code for various types of sorting algorithms?
Ans. 
Various sorting algorithms in Java code
• Bubble Sort: int[] arr = {5, 2, 8, 1, 3}; Arrays.sort(arr);

• Selection Sort: int[] arr = {5, 2, 8, 1, 3}; Arrays.sort(arr);

• Insertion Sort: int[] arr = {5, 2, 8, 1, 3}; Arrays.sort(arr);

• Merge Sort: int[] arr = {5, 2, 8, 1, 3}; Arrays.sort(arr);

• Quick Sort: int[] arr = {5, 2, 8, 1, 3}; Arrays.sort(arr);
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Q3. Sql query and topics related to joins.
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Q1. About yourself and family
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Q2. What do you know about the company?
Ans. 
The company is a leading software development firm specializing in creating innovative solutions for various industries.
• Specializes in creating innovative software solutions

• Works with clients from various industries

• Known for high-quality and reliable products

• Has a strong team of software engineers and developers
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Q3. Can you provide examples of real-life scenarios where you handled conflicts with either a colleague or a manager?
Ans. 
Handled conflicts by addressing issues directly, seeking compromise, and maintaining professionalism.
• Addressed a disagreement with a colleague by scheduling a one-on-one meeting to discuss concerns and find common ground.

• Resolved a conflict with a manager by actively listening to their perspective, providing feedback, and working together to find a solution.

• Maintained professionalism during conflicts by staying calm, r...read more
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Q4. What actions would you take if your manager does not approve your product idea, and how would you attempt to persuade them?
Ans. 
I would gather more data to support my idea, present a compelling case to my manager, and be open to feedback and compromise.
• Gather data to support the idea, such as market research, user feedback, or cost-benefit analysis.

• Prepare a well-structured presentation highlighting the potential benefits of the product idea.

• Listen to the manager's concerns and feedback, and be open to making adjustments or compromises.

• Seek sup...read more
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The aptitude assessment consists of two sections: 1) a technical test, which includes 40 questions, and 2) a game-based test.

Q1. There are different sections in communicton test. Like reading , listening, sentence , correction, Grammer checking and story telling
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Q1. All the questions like OOPs concept, database concepts, cloud computing- what iare the 3 types of cloud models, operating system-what is deadlock computer network= different layers in CN situation based...read more
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