LTIMindtree Hadoop Developer Interview Questions and Answers

1 hr test with mcq and coding snippet

Q1. What are pointers in c?
Ans. 
Pointers are variables that store memory addresses of other variables in C programming language.
• Pointers are used to manipulate data structures like arrays, linked lists, and trees.

• They can be used to pass values by reference to functions.

• Pointers can also be used to allocate memory dynamically using functions like malloc() and calloc().
Answered by AI
View 1 more answer
Q2. Write a linked list program.
Ans. 
A linked list program is a data structure that stores a sequence of elements with pointers to the next element.
• Create a Node class with a value and a next pointer

• Create a LinkedList class with a head pointer and methods to add, remove, and traverse nodes

• Example: LinkedList ll = new LinkedList(); ll.add(5); ll.add(10); ll.remove(5);
Answered by AI
Add your answer
Q3. Applications of data structures
Ans. 
Data structures are used to organize and manipulate data efficiently in various applications.
• Data structures are used in databases to store and retrieve data quickly.

• In computer graphics, data structures are used to represent geometric objects.

• Data structures are used in algorithms such as sorting and searching.

• In networking, data structures are used to represent network packets and routing tables.

• Data structures are u...read more
Answered by AI
Add your answer
Q4. Algorithm for merge sort
Ans. 
Merge sort is a divide and conquer algorithm that recursively divides the input array into two halves, sorts them and then merges them.
• Divide the array into two halves

• Recursively sort the two halves

• Merge the sorted halves

• Repeat until the entire array is sorted
Answered by AI
Add your answer
Q5. Cloud computing application in real world in project
Ans. 
Cloud computing is widely used in various industries for data storage, processing, and analysis.
• Cloud computing allows for easy scalability and cost-effectiveness in managing large amounts of data.

• Real-time collaboration and access to data from anywhere are some of the benefits of cloud computing.

• Examples of cloud computing applications in real-world projects include Amazon Web Services (AWS), Microsoft Azure, and Goog...read more
Answered by AI
Add your answer
Q6. Java and nodejs questions
Add your answer

Q1. How will you install, support and manage platform
Ans. 
I will use a combination of automation tools and manual processes to install, support and manage the platform.
• I will use automation tools like Ansible, Puppet or Chef to automate the installation process.

• I will create documentation and provide training to support the platform.

• I will monitor the platform using tools like Nagios or Zabbix to ensure it is running smoothly.

• I will provide support to users and troubleshoot a...read more
Answered by AI
View 1 more answer
Q2. How will you do capacity planning
Ans. 
Capacity planning involves estimating future resource needs based on current and projected usage.
• Analyze current usage patterns and trends

• Forecast future demand based on growth projections

• Consider potential changes in technology or business needs

• Identify potential bottlenecks and plan for scalability

• Regularly review and adjust plans as needed
Answered by AI
View 1 more answer

Q1. Core Java basic functions
Add your answer
Q2. Collection related questions with code snippet examples
Add your answer
Q3. Multithreading and Exceptional Handling
Add your answer

Quantitative,reasoning,verbal

Q1. Based on your opinion
Add your answer

Q1. Simple intro , FAQ ,favourite subject,python basics
Add your answer