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Hashtech Systems Senior PHP Developer Interview Questions and Answers
Hashtech Systems Senior PHP Developer Interview Experiences
1 interview found
I applied via Naukri.com and was interviewed in Aug 2020. There were 4 interview rounds.
Interview Questionnaire
5 Questions
- Q1. SQL injection
- Q2. About codeigniter
- Q3. Join SQL queries
- Q4. Fetch parents data from database whose name is searched
- Ans.
To fetch parents data from database whose name is searched.
Use SQL query to fetch data from database
Join parent table with child table using foreign key
Use WHERE clause to filter data based on searched name
- Q5. Library of codeigniter
Interview Preparation Tips
Skills evaluated in this interview
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Software Developer Interview Questions & Answers
Sagacious IP
058 Abhilakshya Rajrah
posted on 9 Dec 2024
(3 Questions)
- Q1. 2 sum in array
- Ans.
The Two Sum problem involves finding two numbers in an array that add up to a given target value.
Iterate through the array and store the difference between the target and current element in a hashmap
Check if the current element exists in the hashmap, if yes return the indices
Time complexity can be reduced to O(n) using a hashmap
- Q2. Reverse a linked list
- Ans.
Reverse a singly linked list and return the reversed list.
Iterate through the linked list and reverse the pointers to point to the previous node instead of the next node.
Use three pointers to keep track of the current, previous, and next nodes while reversing the list.
Update the head of the list to be the last node after reversing.
- Q3. In given time slots , find conflicting time slots
(2 Questions)
- Q1. Asked about projects
- Q2. Longest palindrome
- Ans.
Find the longest palindromic substring in a given string.
Iterate through each character in the string and expand around it to find palindromes
Use dynamic programming to optimize the solution
Consider both odd and even length palindromes
I applied via campus placement at St Stanley College of Engineering, Arang and was interviewed in Oct 2024. There were 3 interview rounds.
Had 50 qsns in 45 min
Had 5 qsns to execute topics like tress and graphs
(2 Questions)
- Q1. Sql queries and how to extract the data
- Q2. Oops concepts and their execution
- Ans.
Oops concepts are fundamental principles of object-oriented programming that help in organizing and designing code efficiently.
Encapsulation: Bundling data and methods that operate on the data into a single unit (class).
Inheritance: Allowing a class to inherit properties and behavior from another class.
Polymorphism: Ability of objects to take on multiple forms or have multiple behaviors.
Abstraction: Hiding the complex ...
Interview Preparation Tips
Skills evaluated in this interview
I applied via Campus Placement and was interviewed in Sep 2024. There was 1 interview round.
Give you 5 problem in maths , string, sql etc
(2 Questions)
- Q1. Communication mode in chat app
- Ans.
Real-time communication using text, audio, and video in a chat application.
Text chat for quick messages
Audio chat for voice communication
Video chat for face-to-face interaction
- Q2. Consistency level in different scenarios
- Ans.
Consistency level refers to the level of agreement between data replicas in a distributed system.
Consistency levels include strong consistency, eventual consistency, and eventual consistency with causal consistency.
Strong consistency ensures that all reads and writes are immediately visible to all nodes in the system.
Eventual consistency allows for temporary inconsistencies between replicas, which are eventually resolv...
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Mar 2024. There were 4 interview rounds.
(1 Question)
- Q1. Resume shortlist
5 coding questions (4 medium and 1 easy) on coderbyte.
(1 Question)
- Q1. Questions about previous jobs/internships and other HR-related questions.
(1 Question)
- Q1. Based on the skills mentioned in my resume, and questions based on the project mentioned (the Interviewer asked to open my GitHub profile and asked questions on code written).
harshita meena
Maths and communication based questions
Estimate and SQL and coding was there
(1 Question)
- Q1. Strecture of sql statement
- Ans.
SQL statements are used to interact with databases by performing operations like querying, updating, and deleting data.
SQL statements are made up of keywords like SELECT, INSERT, UPDATE, DELETE, etc.
They are structured in a specific order, with clauses like WHERE, ORDER BY, GROUP BY, etc.
Tables are referenced using their names, and conditions are specified to filter data.
Joins can be used to combine data from multiple
Skills evaluated in this interview
Software Developer Interview Questions & Answers
Tech Mahindra Foundation
Anonymous
posted on 13 Mar 2022
I applied via Approached by Company and was interviewed in Feb 2022. There were 2 interview rounds.
30 mintues, relationship topics
(5 Questions)
- Q1. What are your salary expectations?
- Q2. What is your family background?
- Q3. Why should we hire you?
- Q4. What are your strengths and weaknesses?
- Q5. Tell me about yourself.
Interview Preparation Tips
Selected
I applied via Company Website and was interviewed before May 2022. There were 4 interview rounds.
It was a aptitude and logical reasoning test
(1 Question)
- Q1. Coding logic and aptitude was assessed
(1 Question)
- Q1. Basic questions and salary negotiation was done
Interview Preparation Tips
- Fibonacci series
- oops concepts
- DSA
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