Tumlare Software Services Interview Questions and Answers

Q1. Core Java (OOPS, basic core java question)
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Q2. Java8 feature questions
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Q3. Linux Command Questions
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Q4. Spring boot questions (annotations, bean scopes, DI)
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Q5. Write a Junit test case
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Q1. It was technical plus managerial round
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Q2. Mostly question is asked on resume, so please be mindful while putting anything on resume as you need to justify each thing
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Q3. Why you want to join amdocs?
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A standardized assessment that measures a person's skills, cognitive abilities, and potential to perform in a specific role.

Q1. Technical interview questions at Automatic Data Processing (ADP) may cover topics such as programming, databases, and software development.
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Q2. They may also ask about problem-solving and how you approach challenging tasks.
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Q3. Emphasize a structured method that involves clearly defining the issue, gathering relevant information, brainstorming potential solutions, evaluating options carefully, implementing the chosen solution, an...read more
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Q4. Data structures, algorithms, SQL querying, object-oriented programming principles, software development lifecycle, database concepts (relational vs. NoSQL), coding challenges in relevant languages (like Py...read more
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Q1. May ask about your background, skills, and how you handle challenges
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Q2. Background questions Tell me about yourself, What are your career goals, What are your strengths and weaknesses, What do you know about ADP, and Why do you want to work at ADP.
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Q1. Related to current Job and work
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Q2. Related to current CTC
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Q1. Docker questions
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Q2. Kubernetes questions
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Q3. Terraform questions
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Q4. AWS account
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Q1. Docker kubernetes AWS terraform
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Q2. Personal questions related to how I work and all
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It occurred on HackerRank.

Q1. DSA questions related to strings , graphs , array
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Q2. CS fundamentals ....OOPS , DBMS , CN (little)
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Q3. Projects discussion
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Q1. About hobbies , interest in comp. about hacakthons
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Q2. Why i want to become SDE
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Q1. Introduction, roles and responsibilities
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Q2. Deep copy shallow copy
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Q3. Method Overloading overriding
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Q4. Constuctor and its types
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Q5. Varags (variable length arguments)
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Q6. Find element find elements return types of it if no elements found
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Q7. Webdriver what is it
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Q8. Find duplicate numbers and its count from given list explain logic
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Q9. Factorial using recursion
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Basic Python, SQL, and Bash questions

Q1. SQL questions with operations that include changing from string to array. Tip: stick to RDBMS-specific dialects only (like Postgres), I used Spark SQL
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Q2. Simple Python questions with a follow-up to optimise it
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Q3. Bash script-based questions, are pretty basic.
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Q4. Data pipeline design and best practices.
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Data pipeline design involves creating a system to efficiently collect, process, and analyze data.
• Understand the data sources and requirements before designing the pipeline.

• Use tools like Apache Kafka, Apache NiFi, or AWS Glue for data ingestion and processing.

• Implement data validation and error handling mechanisms to ensure data quality.

• Consider scalability and performance optimization while designing the pipeline.

• Doc...read more
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Q1. Easy to medium Leetcode-based question. With moderate difficulty.
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Q2. Simple Python-based question with optimisation.
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Q3. Design specific questions based on Data pipelines.
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Q1. SQL-based question with moderate difficulty.
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Q2. Python-based questions, follow questions with some optimisations.
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Q3. Bash-script based round.
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Q1. Internal working of hashmap
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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 it will be stored.

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

• To retrieve a value, the key is hash...read more
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Q2. Find Anagram from string array
Ans. 
Find anagrams from a string array
• Iterate through each string in the array

• Sort the characters of each string to create a key for comparison

• Use a hashmap to group anagrams together

• Return the grouped anagrams as arrays
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Q1. Top view of binary Tree
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A top view of a binary tree shows the nodes visible when looking at the tree from the top.
• The top view of a binary tree is the set of nodes visible when looking at the tree from the top.

• Nodes at the same horizontal distance from the root are considered at the same level.

• Use a map to store the horizontal distance of each node and only keep the first node encountered at each horizontal distance.
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Q2. Java based questions
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Q1. Hight of binary tree
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Height of a binary tree is the maximum number of edges on the longest path from the root node to a leaf node.
• Height of an empty tree is -1

• Height of a tree with only one node is 0

• Height of a binary tree can be calculated recursively by finding the height of left and right subtrees and adding 1 to the maximum of the two heights
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Q2. Garbage Collector
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Q1. Library Management System
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Q1. Resume related question
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Q2. Outlook PST backup
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Q1. Resume related question
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Q2. Last job role and responsibilities
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Q1. Desktop related
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Q2. Vlan configure and rules
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Q1. Network setup devices
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Q2. Vpn how to configure
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Q1. Why we hire you
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Q2. Previous job left
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Q1. Explain Solid Principles
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Solid Principles are a set of five design principles for writing clean, maintainable, and scalable code.
• Single Responsibility Principle (SRP) - A class should have only one reason to change.

• Open/Closed Principle (OCP) - Software entities should be open for extension but closed for modification.

• Liskov Substitution Principle (LSP) - Objects of a superclass should be replaceable with objects of its subclasses without affe...read more
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Q2. What are Design Patterns
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Design patterns are reusable solutions to common problems encountered in software design and development.
• Design patterns provide a way to communicate solutions to common design problems

• They help in making code more maintainable, scalable, and reusable

• Examples include Singleton, Factory, Observer, and Strategy patterns
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Q1. Explain the current project architecture you are working on.
Ans. 
Our current project architecture follows a microservices design pattern with Docker containers and Kubernetes for orchestration.
• Microservices architecture

• Docker containers

• Kubernetes for orchestration
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Q2. Why you are intrested in NCR
Ans. 
I am interested in NCR because of its reputation for innovation and cutting-edge technology in the software industry.
• NCR has a strong reputation for innovation and cutting-edge technology

• I am excited about the opportunity to work on challenging projects at NCR

• I believe NCR offers a great platform for career growth and development
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