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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
Interview questions from similar companies
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 Sastra University and was interviewed in Sep 2024. There were 2 interview rounds.
Good nice easy to medium questions
(2 Questions)
- Q1. What is your project
- Q2. Give some real life examples of oops
- Ans.
Real life examples of OOPs include cars, animals, and banking systems.
Cars: Objects like make, model, and color with behaviors like driving and honking.
Animals: Objects like species, name, and age with behaviors like eating and sleeping.
Banking Systems: Objects like account, balance, and transaction with behaviors like deposit and withdraw.
Interview Preparation Tips
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
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
Varun S Bhat
(2 Questions)
- Q1. I applied through internshala, first round was resume shortlisting
- Q2. Highlight about key skills, mention about projects, and internships
There are 5 coding questions, 1 easy and 4 medium questions.
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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