ION Group SDE Interview Questions and Answers

2 coding question on DP and stack . And it had Apti mcqs

Q1. What is OOPs? And its properties
Ans. 
OOPs stands for Object-Oriented Programming. It is a programming paradigm based on the concept of objects.
• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Inheritance: Ability of a class to inherit properties and behavior from another class.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementation details and showing o...read more
Answered by AI
Add your answer
Q2. Puzzle question (Egg drop)
Add your answer
Q3. Project related questions
Add your answer

A detailed Case Study was given on some shopping mall.

Q1. Completely related to my projects
Add your answer

Q1. QUESTION ON DP CONCEPT
Add your answer
Q2. QUESTION OF BIT MANIPULATION
Add your answer

Q1. SNAKE AND LADDER PROBLEM
Ans. 
Snake and ladder is a classic board game where players move their tokens based on the outcome of a dice roll.
• Players take turns rolling a dice and moving their token along the board.

• If a player lands on a ladder, they move up to a higher-numbered square.

• If a player lands on a snake, they move down to a lower-numbered square.

• The first player to reach the final square wins the game.
Answered by AI
Add your answer
Q2. PUZZLE PROBLEM OF GFG
Add your answer

There was aptitude ques as well as 2 coding ques asking the dp concepts.

Q1. OOPS concepts were asked
Add your answer
Q2. 4 pillars of OOPS
Ans. 
Encapsulation, Inheritance, Polymorphism, Abstraction are the 4 pillars of OOPS
• Encapsulation: Bundling data and methods that operate on the data into a single unit. Example: Class in Java

• Inheritance: Ability of a class to inherit properties and behavior from another class. Example: Parent class and child class relationship

• Polymorphism: Ability to present the same interface for different data types. Example: Method over...read more
Answered by AI
Add your answer
Q3. PUZZLES were asked
Add your answer
Q4. What is a trie
Ans. 
A trie is a tree data structure used for storing a dynamic set of strings.
• Trie stands for retrieval tree or prefix tree

• Each node in a trie represents a single character

• Tries are commonly used in autocomplete features and spell checkers
Answered by AI
Add your answer
Q5. What data structure you would use to store phone number along side with names
Ans. 
Use a hash table to store phone numbers alongside names for quick lookups.
• Use a hash table where the keys are the phone numbers and the values are the corresponding names.

• This allows for constant time lookups of names based on phone numbers.

• Example: {"555-1234": "John Doe", "555-5678": "Jane Smith"}
Answered by AI
Add your answer

Was aksed English, logical reasoning and 2 coding questions

Q1. Puzzles, DSA, OS,DBMS
Add your answer
Q2. MYsql, Software Design
Add your answer