Securonix Associate Software Engineer Interview Questions and Answers

Q1. Focus on algorithms - trees, graphs. Questions on improving algorithm performance. Converting algorithm to code.
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Test contains 26 questions for me 13 are java based 13 are c++ based

Q1. Indexing in dbms
Ans. 
Indexing in DBMS is a technique to improve the performance of queries by creating a data structure that allows for faster retrieval of data.
• Indexes are created on columns in a database table to speed up the retrieval of rows that match a certain condition.

• Types of indexes include clustered, non-clustered, unique, and composite indexes.

• Examples of indexing techniques include B-tree, hash, and bitmap indexes.

• Indexing can...read more
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Q2. Find whether two strings are or not anagrams
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Check if two strings are anagrams by comparing the sorted characters in each string.
• Sort the characters in both strings and compare if they are equal.

• Ignore spaces and punctuation when comparing the strings.

• Example: 'listen' and 'silent' are anagrams.

• Example: 'hello' and 'world' are not anagrams.
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Q1. Inorder traversal without recursion
Ans. 
Use a stack to simulate the recursive inorder traversal process
• Create an empty stack to store nodes

• Start with the root node and push it onto the stack

• While the stack is not empty, keep traversing left and pushing nodes onto the stack

• Once you reach a leaf node, pop it from the stack, print its value, and move to its right child

• Repeat the process until all nodes have been visited
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Q2. How to make a class final
Ans. 
To make a class final, use the 'final' keyword in the class declaration.
• Use the 'final' keyword before the 'class' keyword in the class declaration

• A final class cannot be subclassed or extended

• Final classes are often used for utility classes or classes that should not be modified
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Java coding questions

Q1. Explain Java oops concepts?
Ans. 
Java oops concepts include inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance allows a class to inherit properties and behavior from another class.

• Encapsulation hides the internal state of an object and restricts access to it.

• Polymorphism allows objects to be treated as instances of their parent class.

• Abstraction hides the implementation details and only shows the necessary features.
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Q2. What is collections?
Ans. 
Collections in programming refer to data structures that allow you to store and manipulate groups of objects.
• Collections provide a way to organize and manage data efficiently

• Examples include lists, sets, maps, queues, and stacks

• Collections can be used to perform operations like adding, removing, and searching for elements
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Q3. Write a code to reverse number?
Ans. 
Code to reverse a number in JavaScript
• Convert the number to a string to easily manipulate each digit

• Use array methods like split, reverse, and join to reverse the number

• Convert the reversed string back to a number before returning
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Q1. Introduction about yourself?
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I am a recent graduate with a degree in Computer Science and a passion for coding and problem-solving.
• Graduated with a degree in Computer Science

• Proficient in programming languages like Java, Python, and C++

• Completed internships at tech companies like Google and Microsoft

• Enthusiastic about learning new technologies and working in a team environment
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Q2. Do you know about the company?
Ans. 
The company is a leading software development firm specializing in creating innovative solutions for various industries.
• Company focuses on creating innovative software solutions

• Has a strong presence in various industries

• Known for their expertise in software development
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Hackerrank Coding Test, Leetcode medium questions

HLD test, was asked to design an online coding platform like leetcode

Q1. Most interesting project you have worked on
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Q2. How do you handle conflict at workplace
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It was a medium-level DSA round

This was also a DSA round

This again a DSA round

Q1. Can't disclose the question because of NDA signed but it was a design round
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Q1. This was a project discussion round
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Implement your own state management in React and integrate it into a React application.

Q1. Oops question asked
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Q2. Sql questions asked
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3 Moderate questions were asked. I managed to solve 2 completely and 1 partially.

Q1. Question related to system design were asked.
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Q2. He asked me to design some functions of facebook.
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Q1. Introduction type questions were asked. In this it will prefer only CS students
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