Qloron Pvt Ltd interview experience Real time questions & tips from candidates to crack your interview
Java Developer
Qloron Pvt Ltd
1 rounds | 1 Coding
problems
Selected Interview preparation journey
Journey
I primarily followed the Coding Ninjas DSA modules for my preparation. Alongside, I kept solving problems regularly to strengthen my concepts. I focused on revising arrays, strings, hashmaps, and interval-based questions while also practicing problem-solving patterns like sliding window and two pointers.
To stay consistent, I solved 2–3 problems every few days and revised DSA concepts every week. Whenever I faced doubts, I relied on YouTube explanations and Coding Ninjas’ structured approach to clear them. Over time, this helped me gradually build both confidence and speed in problem-solving.
Preparation
Topics: Java, SpringBoot, DSA
Application process
Where: Coding Ninjas Placement Cell
Eligibility: B.Tech (CS/IT)
Interview rounds
01
Round
Easy
Online Coding Interview
Duration
Interview date19 Mar 2025
Coding problem1
1. Remove duplicate numbers
You are given a list of integers that may contain duplicate values. Your task is to remove the duplicate numbers and return a collection that contains only unique numbers.
- If duplicates exist, they should be eliminated.
- The final output should contain only distinct integers from the input list.
Example:
- Input: [1, 2, 3, 2, 4, 1]
- Output: [1, 2, 3, 4]
Problem approach
- Create two lists – one for duplicate numbers and another for unique numbers.
- Declare and initialize a HashSet.
- Traverse the list elements one by one and try adding each element into the HashSet.
- Since a HashSet does not allow duplicates,
- If the element is not already in the set, it gets added (unique number).
- If the element already exists in the set, it means it’s a duplicate.
- By the end, the HashSet contains all unique numbers, and duplicates can be collected separately.
- Finally, print both lists (unique numbers and duplicates)
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Skill covered: Programming
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