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GrayOpus Technologies Java Developer Interview Questions and Answers
GrayOpus Technologies Java Developer Interview Experiences
1 interview found
Nikhil Yadav
(2 Questions)
- Q1. Implement email checking function
- Ans.
Implement email checking function in Java
Use regular expressions to validate email format
Check for common email patterns like username@domain.com
Consider edge cases like special characters in email addresses
- Q2. SQL query for grouping
- Ans.
SQL query for grouping data based on a specific column
Use the GROUP BY clause in SQL to group data based on a specific column
Aggregate functions like COUNT, SUM, AVG can be used with GROUP BY to perform calculations on grouped data
Example: SELECT column_name, COUNT(*) FROM table_name GROUP BY column_name
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Velocity Software Solutions
Abhishek Kumar
posted on 17 Jul 2023
I applied via Walk-in and was interviewed in Jun 2023. There were 4 interview rounds.
Aptitude it is a type of test in which there are many questions like resigning, technical,blood relation.etc
In group discussion we have provided some topic and told discuss about that topic and tell advantages and dis advance.
(3 Questions)
- Q1. What is final in java
- Ans.
final keyword in Java is used to restrict the user from changing the value of a variable, making it a constant.
Final keyword can be applied to variables, methods, and classes
Final variables cannot be reassigned once initialized
Final methods cannot be overridden in subclasses
Final classes cannot be extended
- Q2. What is static In java?
- Ans.
Static keyword in Java is used to create class-level variables and methods that can be accessed without creating an instance of the class.
Static variables are shared among all instances of a class.
Static methods can be called without creating an object of the class.
Static blocks are used to initialize static variables.
Example: public static int count = 0;
- Q3. The static it is a type of method called static method in which when we declared a method as static then it can't be inherited another class
Skills evaluated in this interview
Selected
I applied via Walk-in and was interviewed in Mar 2023. There were 4 interview rounds.
Aptitude test,Codding test,Technical test,HR
Coding Test Collection Interface
(2 Questions)
- Q1. Technical by Manager
- Q2. Java Oops concepts,SQL (Basic),JDBC & Servlets
Interview Preparation Tips
Whenever you can't reach on your Goal;
Java Developer Interview Questions & Answers
Mithi Software Technologies
Anonymous
posted on 16 Jul 2024
Selected
I applied via Naukri.com and was interviewed before Jul 2023. There were 3 interview rounds.
2 coding question were asked
(2 Questions)
- Q1. Question were basic related to html, css, java
- Q2. Basic OOPS question and how to create table in html
(2 Questions)
- Q1. Where you find yourself in 5 years
- Q2. Basic friendly talk regarding your life
Software Developer Interview Questions & Answers
Automated Systems Design
Anonymous
posted on 14 Jun 2024
(2 Questions)
- Q1. Intro about Experience
- Q2. Knowledge on tools
(2 Questions)
- Q1. Sdfsfd kjdk dvfikjsf vsjv
- Q2. Sdjvks sdkvjsk skdcj
Praveen Kumar
Usual Leet code problems
System Design Questions
System Design Questions
Selected
I applied via LinkedIn and was interviewed before Oct 2023. There were 2 interview rounds.
Giva a Full stack project. based on MERN AND MEAN stack
(2 Questions)
- Q1. Dsa , were easy to medium
- Q2. Some backend and azure related questions
(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
Selected
I applied via Naukri.com and was interviewed before Mar 2023. There were 2 interview rounds.
Basic coding questions (non-DSA) - Basic questions to reverse a string, check if string is palindrome, etc. If you have basic coding skills, you'll easily clear this round
(2 Questions)
- Q1. Interview with CEO - Questions were asked based on technical skills - basic questions related to Database, backend technologies.
- Q2. Behavioral questions will be asked
Interview Preparation Tips
Selected
I applied via Recruitment Consulltant and was interviewed before Feb 2023. There were 3 interview rounds.
JavaScript, React Js
(3 Questions)
- Q1. How many years of relevant experience
- Q2. What is your current CTC
- Q3. What is your Expectation
(3 Questions)
- Q1. What is your Strength
- Q2. What is weakness
- Ans.
One weakness I have is that I can be overly critical of my own work, which can sometimes lead to self-doubt.
I tend to overthink things and can be indecisive at times
I have a tendency to take on too many tasks at once, leading to feeling overwhelmed
I struggle with public speaking and often get nervous in front of large groups
- Q3. What is your Goal
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