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Kyndryl
Proud winner of ABECA 2024 - AmbitionBox Employee Choice Awards
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I applied via Company Website and was interviewed in Apr 2024. There was 1 interview round.
Abstraction is the concept of hiding complex implementation details and showing only the necessary features to the outside world.
Abstraction allows us to focus on what an object does rather than how it does it
Achieved through abstract classes and interfaces in object-oriented programming
Example: A car dashboard abstracts the internal workings of the car and provides only essential information to the driver
Hashtable is synchronized, while hashmap is not. Hashtable does not allow null keys or values, while hashmap does.
Hashtable is synchronized, while hashmap is not
Hashtable does not allow null keys or values, while hashmap does
Hashtable is a legacy class, while hashmap is a newer class
The get() method in HashMap retrieves the value associated with a specified key.
get() method takes a key as input and returns the value associated with that key in the HashMap.
Internally, get() uses the hash code of the key to find the corresponding bucket in the HashMap.
If multiple keys have the same hash code, get() uses the equals() method to find the correct key-value pair.
Normalization is the process of organizing data in a database to reduce redundancy and improve data integrity.
Normalization helps in minimizing data redundancy by dividing the database into multiple tables and defining relationships between them.
It ensures data integrity by avoiding update anomalies and inconsistencies.
There are different normal forms such as 1NF, 2NF, 3NF, BCNF, and 4NF, each with specific rules to fo...
Constraints are limitations or restrictions placed on a system or process.
Constraints define the boundaries within which a system must operate.
They can include limitations on resources, time, or functionality.
Examples of constraints in software engineering include memory limitations, processing speed, and input/output requirements.
Query to retrieve the 3rd highest salary from the employee table
Use the ORDER BY clause to sort salaries in descending order
Use the LIMIT clause to retrieve the 3rd highest salary
Traverse the linked list to find the 2nd last node and return its value.
Traverse the linked list while keeping track of the current and previous nodes.
Once at the end of the list, return the value of the previous node.
Use two variables to keep track of the smallest and second smallest numbers in the array.
Iterate through the array and update the variables accordingly.
Initialize the variables with the maximum possible integer value to start with.
Example: array = [5, 2, 8, 1, 3], smallest = 1, secondSmallest = 2.
Top trending discussions
I have the skills, experience, and passion to excel in this role.
I have a strong background in software development, with experience in multiple programming languages and frameworks.
I am a quick learner and enjoy tackling new challenges.
I am a team player and enjoy collaborating with others to achieve common goals.
I am passionate about software engineering and am always looking for ways to improve my skills and knowled...
I chose your company because of its reputation for innovation and its commitment to employee growth.
Your company has a strong reputation for innovation in the industry.
I was impressed by the emphasis on employee growth and development.
I believe that your company's values align with my own personal values.
I was excited about the opportunity to work with a talented team of engineers.
Your company's mission and vision reso
I applied via Recruitment Consultant and was interviewed before Sep 2018. There were 4 interview rounds.
I am a software engineer with experience in developing and maintaining software applications.
I have a strong background in programming languages such as Java, C++, and Python.
I have worked on various projects, including developing web applications and implementing software solutions.
I am skilled in problem-solving and debugging, ensuring efficient and effective software development.
I have experience in collaborating wi...
I learned valuable teamwork and problem-solving skills during my summer internship.
Developed strong collaboration skills by working with a team of software engineers to complete projects
Gained experience in troubleshooting and debugging software issues
Learned to effectively communicate and present technical concepts to both technical and non-technical stakeholders
Improved problem-solving abilities by identifying and re...
Java is an object-oriented language while C is a procedural language.
Java is platform-independent while C is platform-dependent.
Java has automatic garbage collection while C requires manual memory management.
Java has built-in support for multithreading while C requires external libraries.
Java has a larger standard library compared to C.
Java is more secure than C due to its strong type checking and exception handling.
C ...
Pointers are variables that store memory addresses of other variables in programming languages.
Pointers allow direct access and manipulation of memory locations.
They are commonly used in programming languages like C and C++.
Pointers can be used to pass variables by reference, allowing modifications to the original value.
They can also be used to dynamically allocate memory.
Example: int* ptr; // declares a pointer to an
In 5 years, I see myself as a senior software engineer leading a team of developers.
Leading a team of developers
Working on complex projects
Continuing to learn and grow in my role
Contributing to the success of the company
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