Cigniti Technologies Programmer Analyst Interview Questions and Answers

Basic aptitude questions

Q1. Core java questions, oops, basic programming questions
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Q2. What are the oops concepts and how we use them?
Ans. 
OOPs concepts are fundamental principles in object-oriented programming that help in organizing and designing code.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class). Example: Class Car with properties like make, model, and methods like start(), stop().

• Inheritance: Ability of a class to inherit properties and behavior from another class. Example: Class SUV inheriting from Class...read more
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Q3. Difference between array list and linked list
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Array list stores elements in contiguous memory locations, while linked list stores elements in nodes with pointers to the next node.
• Array list allows random access to elements based on index, while linked list requires traversal from the beginning to access elements.

• Insertions and deletions are faster in linked list as it only requires updating pointers, while in array list it may require shifting elements.

• Example: Ar...read more
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Q4. Why string is immutable?
Ans. 
String is immutable in order to ensure data integrity and security.
• Immutable strings prevent accidental data modification, ensuring data integrity.

• Immutable strings enhance security by preventing unauthorized access or tampering.

• Immutable strings allow for more efficient memory management and optimization.

• Examples: Java, Python, and C# all have immutable string objects.
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Q5. Java collections
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Quants, Logical aptitude. 3 coding questions, included Maximum Sum Subarray

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Q1. Tell me about yourself, Project discussion, SQL Queries, Joins
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Q2. OOPs concepts, and their pillars. Design a Vehicle class, by understanding the requirements
Ans. 
OOPs concepts and pillars. Design a Vehicle class based on requirements.
• OOPs concepts: Abstraction, Encapsulation, Inheritance, Polymorphism

• Vehicle class requirements: attributes like make, model, year, methods like start, stop, accelerate
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Q3. Programming - find the frequency of given character in a sorted string.
Ans. 
Use binary search to find the first and last occurrence of the character, then calculate the frequency.
• Use binary search to find the first occurrence of the character in the string.

• Use binary search to find the last occurrence of the character in the string.

• Calculate the frequency by subtracting the indices of the last and first occurrences and adding 1.
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Q4. Managerial related questions.
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Q5. Why would you like to work at Bounteous
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Assignment of ASP.Net was given of around 20-25 questions.

Q1. Explain about your projects
Ans. 
I have worked on various projects including developing web applications, creating databases, and implementing data analysis algorithms.
• Developed a web application for a retail company to manage inventory and sales data

• Created a database system for a healthcare organization to store patient information securely

• Implemented data analysis algorithms to predict customer behavior for an e-commerce website
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Q2. Basic OOPS and Javascript
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They sent me a link for aptitude test. There were medium level difficulty questions in the form of MCQ. Camera and microphone was on throughout the test

Q1. Intermediate level of SQL questions on joins, windows functions, aggregation functions, data warehouse concepts.
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Q2. Difference between truncate and delete.
Ans. 
Truncate is a DDL command that removes all records from a table, while delete is a DML command that removes specific records.
• Truncate is faster than delete as it does not log individual row deletions.

• Truncate resets identity columns, while delete does not.

• Truncate cannot be rolled back, while delete can be rolled back using a transaction.

• Truncate does not fire triggers, while delete does.

• Truncate does not require a whe
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Q3. There were multiple questions on Sql joins
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Q4. Question on Databases and Data-warehousing concepts
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Q1. Behavioural Questions this was I think to check the integrity of the employee.
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Have a good basics in aptitude

Basic coding knowledge

Q1. Be confident and try to answer clear and crisp
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Q2. Tell me about yourself
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100 chooses total in that 50 coding,25 aptitude,25english -round 1

Q1. General hr questions
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