Link Group Software Developer Interview Questions and Answers for Experienced

Q1. What is the difference between a static function and a static variable?
Ans. 
Static function is a function that can only be accessed within the same file, while a static variable is a variable that retains its value between function calls.
• Static function is declared using the 'static' keyword before the return type, limiting its scope to the file it is defined in.

• Static variable is declared using the 'static' keyword before the variable type, retaining its value between function calls.

• Example o...read more
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Q2. What is the synchronization technique?
Ans. 
Synchronization technique is a method used to control access to shared resources in a multi-threaded environment.
• Synchronization techniques prevent race conditions and ensure data consistency

• Common synchronization techniques include locks, semaphores, and monitors

• Examples include using synchronized keyword in Java or mutex in C++
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Add an element to a linked list.

Basic aptitude , same syllabus that of tcs

Two debugging questions, of medium level

Q1. What are react hooks, class based components ,linked list ,palindrome , state in components , virtual and real dom
Ans. 
A set of concepts and tools used in React for managing state and rendering UI components.
• React hooks are functions that allow you to use state and other React features without writing a class component.

• Class based components are a way of defining React components using ES6 classes.

• Linked list is a data structure that consists of a sequence of nodes, each containing a reference to the next node.

• Palindrome is a word, phr...read more
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Q2. Sql quries, 2nd max salary, Nth max salary , Group by, deff between delete, truncate,drop
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Q1. Sort array and questions on project
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Arrays, linked list, string

Q1. Difference between python vs java?
Ans. 
Python is a high-level, interpreted language known for its simplicity and readability, while Java is a statically typed, object-oriented language with a strong emphasis on performance and scalability.
• Python is dynamically typed, while Java is statically typed.

• Python is known for its simplicity and readability, making it easier to learn and use for beginners.

• Java is known for its performance and scalability, making it a...read more
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Q2. Scenario based question on past experience, project based questions.
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It was on mettle, had 3 coding qns, MCQs on DBMS, CN, Aptitude etc

It was on a quote by FB saying everyone wants to become like Musk, it went on for 30 mins

Q1. It was basic behavioral questions
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1 hour 10 mins, MERN Stack, Face to Face. Mongodb, medium DSA Question, callback, eventloop, NodeJS asynchronous working