National Stock Exchange of India Java Developer Interview Questions, Process, and Tips

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.

Q1. How are you today
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Q2. What's the weather today
Ans. 
The weather today is sunny with a few clouds and a high of 75 degrees.
• Sunny weather with some clouds

• High temperature of 75 degrees

• Possibility of rain later in the day
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Q3. Why do you want to join
Ans. 
I am passionate about creating innovative software solutions and believe your company aligns with my values and goals.
• Passionate about software development

• Believe company aligns with values and goals
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Q4. What values do you have
Ans. 
I value continuous learning, collaboration, innovation, and integrity in my work as a software developer.
• Continuous learning: I believe in staying updated with the latest technologies and trends in the industry.

• Collaboration: I value working in a team and sharing knowledge and ideas with my colleagues.

• Innovation: I strive to find creative solutions to problems and improve processes.

• Integrity: I believe in honesty, tran...read more
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Q5. What do you like more, array or list
Ans. 
I prefer arrays for their fixed size and faster access, but lists for their flexibility and ease of manipulation.
• Arrays are preferred for their fixed size and faster access time, especially when random access is required.

• Lists are more flexible and easier to manipulate, especially when elements need to be added or removed frequently.

• Arrays are typically used when the size of the collection is known beforehand, while li...read more
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Q1. Interviewer asked me to solve set matrix zeroes problem.
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Q2. What is dependency Injection?
Ans. 
Dependency Injection is a design pattern that allows a program to achieve Inversion of Control by injecting dependencies into a class.
• Promotes loose coupling between classes.

• Enhances testability by allowing mock dependencies.

• Can be implemented using frameworks like Spring.

• Example: Instead of a class creating its own dependencies, they are provided externally.

• Facilitates easier maintenance and scalability of code.
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Q3. Merge two sorted linked list.
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Q1. Coding question realted to string , 2 pointer
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Q2. Aboiut project and , dsa question
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Q3. Dsa question about string
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Not done yet ,test on tomorrow

Q1. Connect the rope problrm
Ans. 
The connect the rope problem involves connecting ropes of different lengths to minimize the cost.
• Sort the ropes by length

• Connect the two shortest ropes at a time

• Repeat the process until all ropes are connected
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Q2. E 3 dk 4j c4 cj j c k
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Simple interview just check communication skills

Q1. Simple question like salary, relocation
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Basic Arithmetic Aptitude , Computer Application and SQL

Q1. Create a Fitness Tracking Application
Ans. 
A fitness tracking application to monitor and track user's physical activities and progress.
• Include features like tracking steps, calories burned, distance traveled, and workout sessions.

• Allow users to set goals, view progress charts, and receive notifications for reminders.

• Integrate with wearable devices like Fitbit or Apple Watch for real-time data syncing.

• Provide social sharing options to motivate users and compete ...read more
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The test consisted of mcqs and coding questions

Q1. We were asked to create a project on a real world scenario
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