Jawad Business Group Interview Questions and Answers

Round duration - 90 Minutes
Round difficulty - Medium

This Round was DS and Algo round and it started with formal introduction, followed by 2 problems. We first dicussed the approach the time complexity and proper code covering all cases.

Q1. 
Minimum Cost to Buy Oranges Problem Statement
You are given a bag of capacity 'W' kg and a list 'cost' of costs for packets of oranges with different weights. Each element at the i-th position in the list...read more
Ans. 
Find the minimum cost to buy a specific weight of oranges using given cost list.
• Iterate through the cost list and find the minimum cost to achieve the desired weight

• Keep track of the minimum cost while considering available packet weights

• Return -1 if it is not possible to buy exactly W kg of oranges
Answered by AI
Add your answer
Q2. 
K - Sum Path In A Binary Tree
Given a binary tree where each node contains an integer value, and a value 'K', your task is to find all the paths in the binary tree such that the sum of the node values in ...read more
Ans. 
Find all paths in a binary tree where the sum of node values equals a given value 'K'.
• Traverse the binary tree using DFS and keep track of the current path and its sum.

• At each node, check if the current sum equals 'K' and add the path to the result if true.

• Continue traversal to the left and right child nodes recursively.

• Return the list of paths that sum up to 'K'.
Answered by AI
Add your answer

Round duration - 40 Minutes
Round difficulty - Medium

This round majorly focused on puzzles and some questions revolving around Computer Networks and the projects in my resume .

Q1. You have two wires of different lengths that take different times to burn. How can you measure a specific amount of time using these two wires?
Ans. 
Use two wires of different lengths to measure a specific amount of time by burning them simultaneously.
• Burn both wires at the same time, one wire will burn faster than the other.

• Measure the time it takes for the faster burning wire to completely burn.

• Calculate the specific amount of time by using the ratio of the lengths of the two wires.
Answered by AI
Add your answer
Q2. You have 3 ants located at the corners of a triangle. The challenge is to determine the movement pattern of the ants if they all start moving towards each other. What will be the outcome?
Add your answer

Round duration - 30 Minutes
Round difficulty - Easy

This is a cultural fitment testing round .HR was very frank and asked standard questions. Then we discussed about my role.

Q1. What do you know about the company?
Add your answer
Q2. Why should we hire you?
Add your answer

Two DSA ques were asked. One easy and one medium.

Q1. Project discussion and some DSA ques
Add your answer

Q1. Standard hr question
Add your answer

Q1. Its a normal questions which usually service based company asked
Add your answer
Q2. Overall it is good
Add your answer

Ask you to implement any solution like caching using LRU or LFU

Its a manager round where they discuss about u=your past experiences and also they tell you about the project

Q1. I think they gave you only based on your previous offer.
Add your answer
Q2. Negotiate well with them . Don't accept just for the sake of an offer because further they will not change it until/ unless it is filling position.
Add your answer

Q1. Immutable Class, Remove duplicates from string using java 8
Ans. 
Immutable class, remove duplicates from string using Java 8
• Create an immutable class to represent the string

• Use Java 8 streams to remove duplicates from the string

• Convert the string to a character array, use distinct() and collect() to remove duplicates
Answered by AI
Add your answer
Q2. Sealed classes in java
Ans. 
Sealed classes in Java restrict inheritance to a predefined set of subclasses.
• Sealed classes were introduced in Java 15 to restrict inheritance to a predefined set of subclasses.

• Subclasses of a sealed class must be declared in the same file as the sealed class.

• Sealed classes are declared using the 'sealed' modifier before the 'class' keyword.

• Example: sealed class Shape permits Circle, Square, Triangle;
Answered by AI
Add your answer

Q1. Fallout Mechanism between the microservices
Ans. 
Fallout mechanism between microservices refers to how failures in one microservice can impact other microservices.
• Fallout can occur due to cascading failures when one microservice depends on another.

• Implementing circuit breakers can help prevent fallout by isolating failures.

• Monitoring and alerting systems are crucial for detecting and responding to fallout.

• Using asynchronous communication can reduce the impact of fall...read more
Answered by AI
Add your answer

Q1. About what are you working on and your current role.
Add your answer

Q1. Technical skills
Add your answer

Q1. Internals of hashset
Ans. 
HashSet is a collection that stores unique elements using a hash table.
• Uses hashing to store elements

• Does not allow duplicate elements

• Provides constant-time performance for basic operations like add, remove, contains
Answered by AI
Add your answer
Q2. Deques based questions
Add your answer

Q1. Projects discussion from beginning
Add your answer
Q2. How do you resolve conflicts?
Ans. 
I resolve conflicts by actively listening, understanding all perspectives, finding common ground, and proposing solutions.
• Actively listen to all parties involved

• Understand each perspective and the underlying reasons for conflict

• Find common ground and areas of agreement

• Propose solutions that address the concerns of all parties
Answered by AI
Add your answer