FICO Interview Questions, Process, and Tips

There was aptitude pen paper test which included java mcq, quant and reasoning as well

Q1. I was given a string based coding question. Second question was to predict output of a program based on inheritance (easy - medium level)
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Q2. What is inheritance, difference between interface and abstract class and oops based questions
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Q1. Array based question. Second question was to reverse a linked list
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Q2. What is polymorphism and its types. Explain concept of stack using queues
Ans. 
Polymorphism is the ability of a single function or method to operate on different data types. Types include compile-time and runtime polymorphism.
• Polymorphism allows a single function to work with different data types.

• Compile-time polymorphism is achieved through method overloading.

• Runtime polymorphism is achieved through method overriding.

• Example: Overloading a method with different parameter types.

• Example: Overridin...read more
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There were 10 mcqs and 2 coding questions in 60 mins

Q1. Hashmap working
Ans. 
Hashmap is a data structure that stores key-value pairs and allows for fast retrieval of values based on keys.
• Hashmap uses a hashing function to map keys to indices in an array.

• It allows for constant time complexity O(1) for insertion, deletion, and retrieval operations.

• In Java, HashMap is a commonly used implementation of the Map interface.
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Q1. Where are you from
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Q1. What is a red black tree
Ans. 
A red-black tree is a self-balancing binary search tree with additional properties to ensure balance and efficient operations.
• Red-black trees have nodes colored red or black, with rules to maintain balance during insertion and deletion.

• Each node has an extra bit for color, and the tree must satisfy properties like no two red nodes in a row.

• Operations like insertion and deletion involve rotations and color changes to ma...read more
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Some codings challenges which required basic codings concepts in java

Level 2 coding challenge which requires sata structure and also concepts to clear

Hr round for salary discussion and other behavior questions

It was a slightly difficult test with 2 coding question followed by some Apptitude questions

Q1. They asked me about dbms about me
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Q2. They asked me about my projects
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