NTT Data Software Development Senior Analyst Interview Questions and Answers

Coding test on SQL joins basic concepts on oops coding on def collections, method overloading,overriding,etc.,

Q1. Second round is Hr round
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Q2. Discuss about Salary details
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Q3. Discuss about I'd proofs and company
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Q1. Collections, Java 8 features, hibernate, DevOops
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Q2. Treemap and hashmap difference?
Ans. 
Treemap is a sorted map based on natural ordering of keys, while hashmap is an unordered map.
• Treemap stores key-value pairs in sorted order based on the natural ordering of keys.

• Hashmap does not guarantee any specific order of key-value pairs.

• Treemap uses a red-black tree for storage and retrieval, while hashmap uses hash table.

• Treemap is slower than hashmap for most operations due to the sorting overhead.

• Example: Tree...read more
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Q3. Hashmap internal working?
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HashMap is a data structure that stores key-value pairs and uses hashing to efficiently retrieve values based on keys.
• HashMap internally uses an array of linked lists to store key-value pairs.

• When a key-value pair is added, the key is hashed to determine the index in the array where the pair will be stored.

• If multiple keys hash to the same index, a linked list is used to handle collisions.

• Retrieving a value involves ha...read more
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Q4. Stream api in java 8?
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Stream API in Java 8 provides a functional approach to processing collections of objects.
• Stream API allows for processing collections of objects in a functional style.

• It supports operations like filter, map, reduce, and collect.

• Streams can be sequential or parallel, allowing for efficient processing of large datasets.

• Example: List names = Arrays.asList("Alice", "Bob", "Charlie"); names.stream().filter(name -> name.sta
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Q5. Hibernate sessions?
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Q1. Questions based on Core Java OOP Concept
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Q2. 2 coding easy level questions
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Q1. Design pattern, hashmap internal working
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Q2. Microservices vs monolithic
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Microservices allow for modular and scalable architecture, while monolithic is simpler but can be harder to maintain.
• Microservices break down applications into smaller, independent services that communicate through APIs.

• Monolithic architecture involves building the entire application as a single unit.

• Microservices offer flexibility, scalability, and fault isolation.

• Monolithic applications are easier to develop and depl...read more
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Q1. Java related questions
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Q2. BDD Framework related questions
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Multiple choice questions

Before technical interview we have to clear the aptitude test. Question are going to based on your primary skil.

Q1. After Clearing the aptitude test. Technical interview is going to be shedule, interview duration will be between 30 to 60 Min. Question are going to be based on your primary skill.
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Q2. SAP ABAP Interview questions. What is TMG .? What is event in table What are the Lock object , what are fm for that Why do we use the driver program? What is the final window What is the destinati...read more
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Q1. 1 ) why you are changing your current organization. 2) Reason to join us. 3) what do you mean by work life balance. 4) what do you mean by good package. 5) If we give an offer, you still going to loo...read more
Ans. 1) for the career growth i have to learn new technologies and work on that , and finance reason also. 2) learn from Google about company 3) After office hours you must have time for your family. 4 ) According to market get a idea about package. 5) yes, if you give me assurance you are not going to take interview with other candidate for same position for which you select me.
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