Asite Solutions Front end Developer Interview Questions and Answers

Java, spring,springboot

It was like 5 MCQ and two coding questions with difficult level of moderate

Q1. They asked questions from DSA,sql and some web technology which I mentioned in my resume
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Q2. What is the life cycle of react components?
Ans. 
React components go through various stages in their life cycle, from initialization to destruction.
• Initialization: Component is created and initialized with default props and state.

• Mounting: Component is rendered on the DOM for the first time.

• Updating: Component re-renders when props or state change.

• Unmounting: Component is removed from the DOM.

• Examples: componentDidMount() for mounting, componentDidUpdate() for updati
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Q1. Asked about my project and some behavioural questions
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Q1. Explain basics of c#
Ans. 
C# is a programming language developed by Microsoft for building a wide range of applications on the .NET framework.
• C# is an object-oriented language with features like classes, inheritance, and polymorphism.

• It is strongly typed, meaning variables must be declared with a specific data type.

• C# supports modern programming concepts like async/await for asynchronous programming.

• It is commonly used for developing desktop, w...read more
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Q2. C# basics oops sql server
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Topics: maps, sorting and simple DSA question

Q1. What is linked list? How it is stored in memory? Give real examples of linked-list.
Ans. 
A linked list is a data structure where each element points to the next element in the sequence.
• Linked list is stored in memory as nodes, where each node contains data and a reference to the next node.

• Examples of linked-list include a singly linked list, doubly linked list, and circular linked list.

• In a singly linked list, each node points to the next node. In a doubly linked list, each node points to both the next and
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Q2. How does ML models are built?
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ML models are built by collecting and preparing data, selecting a model, training the model on the data, and evaluating its performance.
• Collect and prepare data by cleaning, transforming, and encoding it

• Select a model based on the problem at hand (e.g. regression, classification, clustering)

• Train the model using algorithms like linear regression, decision trees, or neural networks

• Evaluate the model's performance using ...read more
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Q3. Difference between array and linked list.
Ans. 
Arrays store elements in contiguous memory locations, while linked lists store elements in nodes with pointers to the next node.
• Arrays have fixed size, while linked lists can dynamically grow or shrink.

• Accessing elements in arrays is faster (O(1)), while accessing elements in linked lists is slower (O(n)).

• Inserting or deleting elements in arrays can be inefficient, as it may require shifting elements, while in linked l...read more
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Q1. Given string s, return string y which stores first occurrence of characters of s .
Ans. 
Return a string containing the first occurrence of characters in the input string.
• Create an empty string to store the result.

• Iterate through each character in the input string.

• If the character is not already in the result string, add it to the result string.

• Return the result string.
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Q2. Describe the hardest DSA questions you have ever done.
Ans. 
One of the hardest DSA questions I have done involved implementing a complex graph traversal algorithm.
• The question required understanding of graph data structures and algorithms.

• I had to implement a depth-first search or breadth-first search algorithm.

• The question may have involved finding the shortest path in a weighted graph.

• I had to consider edge cases and optimize the algorithm for efficiency.
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Q1. What are your hobbies, plans for future after 5 years?
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2 hours of duration and medium level leetcode questions

Q1. What do you mean by os?
Ans. 
OS stands for Operating System. It is a software that manages computer hardware and provides services for computer programs.
• OS is the software that acts as an intermediary between computer hardware and user applications.

• It manages computer resources such as memory, processors, devices, and file systems.

• Examples of popular operating systems include Windows, macOS, Linux, and Android.
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Q2. How can deadlock be avoided?
Ans. 
Deadlock can be avoided by implementing proper resource allocation strategies and using techniques like deadlock prevention, avoidance, detection, and recovery.
• Implement proper resource allocation strategies such as resource ordering, wait-die, wound-wait, etc.

• Use techniques like deadlock prevention by ensuring that the system never enters a deadlock state, avoidance by ensuring that the system does not enter an unsafe...read more
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Q1. What is oops, Mostly Debugging Questions
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Q2. Pointers, Memory Allocation
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Q1. Implement tail f
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