Telematics4u Services Interview Questions and Answers

There will be 3 coding questions. They are of medium and hard level.

Q1. Sort array consisting 0's 1's and 2's without inbuilt functions
Ans. 
Sort an array of 0's, 1's, and 2's without using inbuilt functions.
• Use three pointers to keep track of the last index of 0's, 1's, and 2's

• Iterate through the array and swap elements based on their value

• Continue until all elements are sorted
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Q1. Os cn related questions
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Q1. Java questions and general hr questions
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All coding questions were ad hoc

Q1. Leetcode questions were asked
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Q2. A question about cache memory was asked
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I had to evaluate a software and let them understand where this software could be implemented and the pros and cons of the software.

Q1. Diff between react and jQuery
Ans. 
React is a modern JavaScript library for building user interfaces, while jQuery is a fast and concise JavaScript library for DOM manipulation.
• React is component-based, promoting reusability and modularity.

• React uses a virtual DOM for efficient updates, while jQuery directly manipulates the DOM.

• React is declarative, making it easier to reason about the UI, while jQuery is imperative.

• React is typically used for single-pa...read more
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Q1. Last company work profile
Ans. 
I worked as a Senior Software Engineer at XYZ Company.
• Developed and maintained software applications

• Collaborated with cross-functional teams to gather requirements and design solutions

• Implemented new features and enhancements

• Performed code reviews and provided technical guidance to junior developers

• Resolved bugs and issues reported by users

• Optimized application performance and scalability

• Participated in agile developme
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Q2. Dot Net, oracle framework, sql related qu.
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Q1. What is recursive function?
Ans. 
A recursive function is a function that calls itself within its definition.
• A recursive function must have a base case to prevent infinite recursion.

• Recursion is often used to solve problems that can be broken down into smaller, similar subproblems.

• Example: Factorial function, Fibonacci sequence.
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Q2. Difference between c and c++
Ans. 
C is a procedural programming language while C++ is an object-oriented programming language.
• C is a procedural programming language, while C++ is a combination of procedural and object-oriented programming.

• C does not support classes and objects, while C++ does.

• C does not have built-in support for exception handling, while C++ does.

• C does not have namespaces, while C++ does.

• C does not have function overloading, while C++
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Q3. Inheritance and data structures?
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Q1. What are the Oops concepts
Ans. 
Oops concepts are the fundamental principles of object-oriented programming, including inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

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

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex i...read more
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Q2. How to reverse any string
Ans. 
To reverse a string, iterate through the characters and build a new string in reverse order.
• Iterate through the characters of the string from end to start

• Append each character to a new string to build the reversed string

• Return the reversed string as the result
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Q1. General discussion
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Q1. Java script and output related Questions
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ReactJs assignment related to search bar and pagination

Coding test in any language

Any topics for the GD

Q1. Experience about the java script
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Q2. My work experience about the java scirpt
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Q3. Palindrome in any code language
Ans. 
A palindrome is a word, phrase, number, or other sequence of characters that reads the same forward and backward.
• Check if the input string is equal to its reverse

• Ignore spaces and punctuation when checking for palindromes

• Convert the input string to lowercase for case-insensitive comparison
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Q4. Other general maths programming questions
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