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NJ Technologies Java Developer Interview Questions and Answers
NJ Technologies Java Developer Interview Experiences
2 interviews found
Selected
I applied via Approached by Company and was interviewed before Mar 2023. There was 1 interview round.
(2 Questions)
- Q1. Java features , collection
- Q2. JavaScript basic question
Interview Preparation Tips
- java core
- Javascript
I applied via Company Website and was interviewed in Jan 2021. There was 1 interview round.
Interview Questionnaire
2 Questions
- Q1. Basic question on java like opps, collection, exception handling
- Q2. Web services
Interview Preparation Tips
Top trending discussions
Interview questions from similar companies
Java Developer Interview Questions & Answers
Unicommerce Esolutions
Mandeep Saini
posted on 19 Oct 2023
I applied via campus placement at Dr. B.R. Ambedkar National Institute of Technology (NIT), Jalandhar and was interviewed in Sep 2023. There were 4 interview rounds.
3 tough coding questions but 1 day to complete them
(1 Question)
- Q1. No of islands (graph) CS Core Recursively reverse a linked list Projects Internship exp
(1 Question)
- Q1. Median of two sorted arrays Core Projects Internship Exp Puzzle
- Ans.
The median of two sorted arrays can be found by merging the arrays and then calculating the median.
Merge the two sorted arrays into a single sorted array
Calculate the median of the merged array
Handle cases where the total number of elements is even or odd
(1 Question)
- Q1. Shit questions, no sense
Skills evaluated in this interview
Selected
I was interviewed before Sep 2023.
Code was of leetcode medium level.
(2 Questions)
- Q1. Easy level DS code
- Q2. Question related to database
(3 Questions)
- Q1. Questions related to SQL
- Q2. Inner join of three tables
- Ans.
Inner join of three tables in SQL
Use the JOIN keyword to combine three tables based on a common column
Specify the columns to select from each table
Use the ON keyword to specify the join condition
- Q3. What is cross join
- Ans.
Cross join is a type of join operation in SQL that returns the Cartesian product of two tables.
Cross join does not require any matching condition between the tables.
It combines each row from the first table with every row from the second table.
Cross join can result in a large number of rows if the tables are big.
Example: SELECT * FROM table1 CROSS JOIN table2;
Skills evaluated in this interview
Java Developer Interview Questions & Answers
Prime Focus Technologies
Anonymous
posted on 29 Apr 2024
Selected
I applied via Website and was interviewed before Apr 2023. There were 3 interview rounds.
(1 Question)
- Q1. What you do? Description with analysis
- Ans.
I am a Java Developer responsible for designing, developing, and maintaining Java applications.
Design and develop Java applications
Write clean, efficient, and maintainable code
Collaborate with team members to troubleshoot and solve technical issues
(1 Question)
- Q1. Java,sql,python
(1 Question)
- Q1. What is your goal
Software Developer Interview Questions & Answers
Infiniti Software Solutions
Syed Abuthakir S
posted on 6 Dec 2024
Selected
I applied via Walk-in and was interviewed in Jun 2024. There were 3 interview rounds.
Basic Logical programs
(4 Questions)
- Q1. Explain laravel Structure
- Q2. Database migration
- Q3. What is indexing in database
- Q4. What is controller ,What is Route
(2 Questions)
- Q1. Why you leave your previous Company
- Q2. What is your role in previous company
I applied via Campus Placement
Aptitude questions with 2-3 coding questions
(2 Questions)
- Q1. Input-wwwrrrrttttuu Output - w3r4t4u2
- Q2. Interpreter vs compiler
- Ans.
Interpreter executes code line by line, compiler translates code into machine code before execution.
Interpreter translates code into machine code line by line during runtime
Compiler translates code into machine code before execution
Interpreted languages include Python, JavaScript
Compiled languages include C, C++
Software Developer Interview Questions & Answers
Decimal Technologies
Anonymous
posted on 29 Nov 2024
Selected
I applied via AmbitionBox
Java, spring,springboot
2 Query question and 3 coding questions
(4 Questions)
- Q1. Basic oops , Java script and Networking questions.
- Q2. What is object orienteered programming.
- Ans.
Object oriented programming is a programming paradigm based on the concept of objects, which can contain data and code.
Objects are instances of classes, which define the structure and behavior of the objects.
Encapsulation, inheritance, and polymorphism are key principles of object oriented programming.
Example: Java, C++, Python are popular languages that support object oriented programming.
- Q3. Different Events in java script
- Ans.
Events in JavaScript are actions or occurrences that happen in the browser that the code can respond to.
Events can be triggered by user actions (like clicking a button), browser actions (like page load), or system events (like a timer expiring)
Event listeners are used to listen for and respond to events
Common events include click, mouseover, keydown, submit, etc.
- Q4. Event listeners
Project , coding question, DBMS
(1 Question)
- Q1. Basic personal details
Skills evaluated in this interview
2 DSA questions Both are from DP
(2 Questions)
- Q1. 2 Questions , 1 is DSA
- Q2. Second question is Puzzle
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NJ Technologies Interviews By Designations
- NJ Technologies Java Developer Interview Questions
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Interview Questions for Popular Designations
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NJ Technologies Java Developer Interview Process
based on 1 interview
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NJ Technologies Java Developer Reviews and Ratings
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Rating in categories
|
Senior Executive
29
salaries
|  ₹2 L/yr - ₹4.6 L/yr |
|
Java Developer
19
salaries
| ₹2.5 L/yr - ₹5.8 L/yr |
|
Assistant Deputy Manager
14
salaries
| ₹3.2 L/yr - ₹4.5 L/yr |
|
Assistant Manager
10
salaries
| ₹4.3 L/yr - ₹6.5 L/yr |
|
Senior Assistant Manager
9
salaries
| ₹5 L/yr - ₹13.2 L/yr |
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