Hughes Systique Corporation Principle Engineer Interview Questions and Answers

Q1. Famous Java Questions like why string is immuatable and basics of OOPs.
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Q2. Easy to medium level DSA based on array and string.
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Q1. Project Related Questions
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Q2. Questions related to java 8 stream API
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Q1. Question related to basic recursion
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Q2. Top kafka interview questions
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Q1. Minimum element in an array
Ans. 
Find the minimum element in an array of strings
• Iterate through the array and compare each element to find the minimum

• Use built-in functions like Math.min() or sort() to find the minimum

• Handle edge cases like empty array or array with only one element
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Q2. Reverse a linked list
Ans. 
Reverse a linked list by changing the next pointers of each node
• Iterate through the linked list and change the next pointers to reverse the list

• Use three pointers - prev, current, and next to keep track of nodes

• Example: 1 -> 2 -> 3 -> 4 -> null, after reversing: 4 -> 3 -> 2 -> 1 -> null
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Q1. Java8 and multhithreading based questions
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Q2. 1 Leetcode easy question
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Q1. TDD based live coding and spring based question
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Q2. 1 leetcode medium question
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Q1. Salary negotiations and company fit based questions
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Q1. To do list design
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Q1. Project related
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Oop, database, spring boot, multithreading

DSA, SUM Practice, DSA SUM

DSA Sum Practice DSA Sum

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.