Hughes Systique Corporation Senior Software Engineer Interview Questions and Answers

HackerRank Test - 2 Medium Questions
1. Given an Array Weights of Chocolates, Find Maximum amount of Chocolate that can be saved after "d" days, if you eat half the weight of one of the chocolates every day.
2. Find Closest String with equal number of vowels and consonants.

Android basic + DSA and problem solving

Q1. Android in depth
Ans. 
Android is a mobile operating system developed by Google, based on the Linux kernel.
• Android is open-source and allows developers to create applications using Java or Kotlin.

• Android apps can be distributed through the Google Play Store or other third-party app stores.

• Android supports a wide range of devices, from smartphones and tablets to smart TVs and wearables.

• Android provides a rich set of APIs for accessing device ...read more
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Q1. Implement Linked list
Ans. 
Linked list is a data structure where each node points to the next node.
• Create a Node class with data and next pointer

• Create a LinkedList class with head pointer

• Implement methods to add, remove, search, and traverse the list
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Q2. Implement Hash Map with array and linked list.
Ans. 
Implement Hash Map with array and linked list.
• Create an array of linked lists

• Hash function maps keys to array indices

• Insert key-value pairs into linked lists

• Handle collisions by chaining

• Search for a key by hashing and traversing linked list
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Q3. How to create a immutable class in java
Ans. 
To create an immutable class in Java, follow these steps:
• Make the class final

• Make all fields private and final

• Do not provide any setter methods

• Initialize all fields via constructor

• If any field is mutable, return a clone of it instead of the original object
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It has aptitude and coding based questions.For coding you can choose any coding language

There will be a GD for 7-10 people on random topic

Q1. 1st TR,ask to write a code of your preference.Linux commands,SQL
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Q1. 2nd TR ,ask about the projects you have done
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Q1. Basic HR round,where they will discuss about the company , job role etc
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Q1. Technical round with live coding.
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Q2. Java 8 questions, spring boot related questions
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Q1. Spring boot, Kafka , logging caching , design patterns questions.
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Q1. Basic short interview mostly related with work experience and compensation
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Q1. Two Strings are anagram or not
Ans. 
Check if two strings are anagrams by comparing the frequency of characters.
• Create two arrays to store the frequency of characters for each string.

• Compare the frequency arrays to check if they are anagrams.

• Example: 'listen' and 'silent' are anagrams.
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Q2. Java and Spring boot questions
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Q1. System design basic HLD
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Q2. Previous project architecture
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Previous project architecture involved microservices with Docker containers and Kubernetes for orchestration.
• Utilized microservices architecture for scalability and flexibility

• Deployed services in Docker containers for easy portability and consistency

• Managed containerized applications with Kubernetes for automated scaling and orchestration
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