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66degrees Interview Questions, Process, and Tips
Top 66degrees Interview Questions and Answers
- Q1. SQL query : Write a query to find the employees from employee table whose middle name is 'Mohan' and have salary more than 2 lacasked in Cloud Engineer interview
- Q2. How to migrate the datawarehouse with gcp services using real time data servicesasked in Gcp Data Engineer interview
- Q3. Replication performance issuesasked in Mysql Database Administrator interview
66degrees Interview Experiences
4 interviews found
Anonymous
I was interviewed in Oct 2022.
(3 Questions)
- Q1. Developer and admin rols
- Q2. Replication performance issues
- Ans.
Replication performance issues can arise due to network latency, hardware limitations, and inefficient queries.
Network latency can cause delays in replication, leading to slower performance.
Hardware limitations such as insufficient memory or slow disk speeds can also impact replication performance.
Inefficient queries can cause replication to lag behind, leading to slower performance.
Monitoring replication lag and optim...
- Q3. Google cloud with MySQL
Interview Preparation Tips
It's time waste..
I gave almost 5 technical rounds and 2 hr rounds, but I didn't receive any update.
One month time waste,
Don't apply this one..
Mysql Database Administrator Interview Questions asked at other Companies
I was interviewed in Dec 2024.
(1 Question)
- Q1. Was technical round, at least it was supposed to be, but they didn't even bother to ask if I knew about their company and what they do!
Interview Preparation Tips
In my entire recruitment career, I never faced dull interviewers like these ones who kept on asking each other if they had any questions for me. 5 mins in and I knew they have referral probably that's why they look so uninterested. I am sure they didn't even go through my resume and it was not even opened during the interview, making them know nothing about me.
They didn't have questions prepared for me, didn't ask me anything specific about recruitment cycle or technical knowledge about IT roles.
The Onshore recruiter from USA was super helpful who scheduled my interview with Bengaluru team real quick.
Bengaluru team was looking for someone who deals with End to End recruitment, at least that's what job description says. When I was asked about my professional experience, I summarized my end to end experience and they gave me feedback saying they want 100% hands-on recruiter and I am not. So if I am not doing hands-on work then it makes me a manger? Which I am not!!! I think they don't want to hear about end to end recruitment but just Sourcing part! So may be they should change job description to "Sourcing Analyst".
In other interviews for Recruitment role, I have been asked to make search strings from at least 2 job descriptions, i have been asked at least 25-30 technical questions determining my technical knowledge about roles. Here was asked basically nothing. They didn't have direct questions for me from the beginning, were desperate to cut short the interview by constantly telling each other I don't have anything ask further. At least be professional interviewer and open the resume at least to ask something from there. But no!!!
If they were this much concerned about Sourcing part only, how come they didn't ask me single question about Sourcing? How many candidates I get in touch with on a regular basis, what are my KPIs for Sourcing, if I were able to achive any target for 2024. No Sir No questions.
Next time rather giving this kind of feedback, make sure you guys are actually ready to interview candidates. I am sure Non-IT interviews might not be exciting for you guys but at least be honest with your process rather lowering candidates' morale by being so uninterested in the interview.
Thanks!
Technical Recruiter Interview Questions asked at other Companies
I applied via Campus Placement and was interviewed in Sep 2024. There was 1 interview round.
(5 Questions)
- Q1. Introduction about myself
- Ans.
I am a Cloud Engineer with a strong background in designing, implementing, and managing cloud infrastructure.
Experienced in working with AWS, Azure, and Google Cloud Platform
Skilled in automating tasks using tools like Terraform and Ansible
Proficient in monitoring and optimizing cloud resources for cost efficiency
Strong understanding of networking and security principles in cloud environments
- Q2. SQL query : Write a query to find the employees from employee table whose middle name is 'Mohan' and have salary more than 2 lac
- Ans.
Query to find employees with middle name 'Mohan' and salary over 2 lac.
Use SELECT statement to retrieve data from employee table
Use WHERE clause to filter employees with middle name 'Mohan' and salary over 2 lac
Example: SELECT * FROM employee WHERE middle_name = 'Mohan' AND salary > 200000
- Q3. WAP to convert a string into uppercase and lowercase
- Ans.
A program to convert a string into uppercase and lowercase.
Use built-in functions like toUpperCase() and toLowerCase() to convert the string.
Iterate through each character of the string and convert it to uppercase or lowercase accordingly.
Ensure to handle special characters and spaces appropriately.
- Q4. Count the common occurrence of elements of list A and list B
- Ans.
Count common elements in two lists
Iterate through both lists and count occurrences of each element
Use a dictionary to store counts of elements in both lists
Return the common elements and their counts
- Q5. Describe any one project in detail with code manipulation
- Ans.
Developed a cloud-based data analytics platform using Python and AWS services
Used AWS Lambda functions for serverless computing
Implemented data processing pipelines with AWS Glue and S3
Utilized Python libraries like Pandas and NumPy for data analysis
Interview Preparation Tips
- C++
- Python
- Javascript
- DBMS
- SQL
- DSA
- Problem Solving
Skills evaluated in this interview
Cloud Engineer Interview Questions asked at other Companies
(3 Questions)
- Q1. What services in gcp u have used
- Ans.
I have used various services in GCP including BigQuery, Dataflow, Cloud Storage, and Pub/Sub.
BigQuery for data warehousing and analytics
Dataflow for data processing and ETL
Cloud Storage for storing and accessing data
Pub/Sub for messaging and event-driven architectures
- Q2. How to create data pipeline in gcp
- Ans.
Data pipelines in GCP can be created using various tools like Dataflow, Dataproc, and Cloud Composer.
Choose the appropriate tool based on the use case and data volume
Define the data source and destination
Create a pipeline using the chosen tool and define the data transformations
Test and deploy the pipeline
Monitor and troubleshoot the pipeline for any issues
- Q3. How to migrate the datawarehouse with gcp services using real time data services
- Ans.
Real-time data services can be used to migrate datawarehouse with GCP services.
Use Cloud Dataflow to ingest and transform data in real-time
Use Cloud Pub/Sub to stream data to BigQuery or Cloud Storage
Use Cloud Dataproc to process data in real-time
Use Cloud Composer to orchestrate data pipelines
Use Cloud Spanner for real-time transactional data
Use Cloud SQL for real-time relational data
Use Cloud Bigtable for real-time N
Interview Preparation Tips
Because they want you to write query infront of them
Skills evaluated in this interview
Gcp Data Engineer Interview Questions asked at other Companies
66degrees interview questions for popular designations
Jobs at 66degrees
Top trending discussions
Interview questions from similar companies
Interview Questionnaire
17 Questions
- Q1. Find if a string is substring of other string
- Ans.
The function checks if a string is a substring of another string.
Use the built-in string methods like 'indexOf' or 'includes' to check for substring.
If the language supports regular expressions, you can also use them to find substrings.
Consider the case sensitivity of the strings when comparing.
- Q2. Write a code to multiply two matrices of dimension M*N and N*K
- Ans.
Code to multiply two matrices of dimension M*N and N*K.
Create a result matrix of dimension M*K.
Iterate through each row of the first matrix.
For each row, iterate through each column of the second matrix.
For each element in the row of the first matrix, multiply it with the corresponding element in the column of the second matrix.
Sum up the products and store the result in the corresponding position of the result matrix.
...
- Q3. Write a Sql to perform Matrix Multiplication.Two tables has three columns row,col and value
- Ans.
SQL query to perform matrix multiplication using two tables with row, col, and value columns.
Use JOIN operation to combine the two tables based on matching row and col values.
Use GROUP BY clause to group the result by row and col values.
Use SUM function to calculate the dot product of corresponding row and col values.
Use INSERT INTO statement to insert the result into a new table.
- Q4. What is prototype in javascript?
- Ans.
Prototype in JavaScript is an object that is associated with every function and object by default.
Prototype is used to add properties and methods to an object.
It allows objects to inherit properties and methods from other objects.
Modifying the prototype of a function affects all instances of that function.
Prototypes can be used to create new objects based on existing objects.
The prototype chain allows for property and
- Q5. How do we write classes in javascript?
- Ans.
Classes in JavaScript are written using the class keyword.
Use the class keyword followed by the class name to define a class.
Use the constructor method to initialize class properties.
Add methods to the class using the class prototype.
Use the new keyword to create an instance of the class.
- Q6. There is a ladder of N steps.We can either take 1 step or 2 steps.In how many different ways one can climb the ladder?
- Ans.
The number of different ways to climb a ladder of N steps by taking 1 or 2 steps at a time.
This is a classic problem that can be solved using dynamic programming.
The number of ways to climb N steps is equal to the sum of the number of ways to climb N-1 steps and N-2 steps.
The base cases are when N is 0 or 1, where there is only 1 way to climb the ladder.
For example, for N=4, there are 5 different ways: [1, 1, 1, 1], [1
- Q7. Print a square matrix in spiral order
- Ans.
Print a square matrix in spiral order
Start by defining the boundaries of the matrix
Iterate through the matrix in a spiral pattern, printing each element
Adjust the boundaries after each iteration to move inward
Repeat until all elements are printed
- Q8. Given a table with 3 columns StudentName,Subject and Marks.Write a sql to retrieve second highest Marks Obtained for each student
- Ans.
Retrieve the second highest marks obtained by each student from a table with student name, subject, and marks.
Use the RANK() function to assign a rank to each row based on the marks in descending order.
Filter the result to only include rows with rank 2 for each student.
Group the result by student name to get the second highest marks for each student.
- Q9. Given a Website with header,footer,side ads(Google ads,Internal ads).How will you extract only useful data from the page
- Q10. Difference between .live() and .delegate() in jquery
- Ans.
The .live() method attaches an event handler to the current and future elements, while .delegate() attaches an event handler to a parent element.
The .live() method is deprecated in newer versions of jQuery.
The .delegate() method is preferred over .live() for performance reasons.
Both methods are used to handle events for dynamically added elements.
Example: $(document).live('click', 'button', function() { ... });
Example:...
- Q11. What is chaining in jquery?
- Ans.
Chaining in jQuery allows multiple methods to be called on a single element in a single line of code.
Chaining simplifies code and improves readability.
Each method in the chain operates on the result of the previous method.
The chain ends with a method that does not return a jQuery object.
Example: $('div').addClass('highlight').fadeOut();
- Q12. What is callback function?
- Ans.
A callback function is a function that is passed as an argument to another function and is executed later.
Callback functions are commonly used in event-driven programming.
They allow asynchronous execution of code.
Callback functions can be used to handle responses from APIs or user interactions.
They can be anonymous functions or named functions.
Example: setTimeout(function() { console.log('Hello!'); }, 1000);
- Q13. What is .bind() function in jquery?
- Ans.
The .bind() function in jQuery is used to attach an event handler function to one or more elements.
It allows you to specify the event type and the function to be executed when the event occurs.
The .bind() function can be used to bind multiple events to the same element.
It can also be used to pass additional data to the event handler function.
The .bind() function is deprecated in jQuery version 3.0 and above. It is reco
- Q14. Find the angle between hour handle and minute handle in a clock
- Ans.
The angle between the hour and minute hands of a clock can be calculated using a formula.
The hour hand moves 30 degrees per hour and 0.5 degrees per minute.
The minute hand moves 6 degrees per minute.
Calculate the angle between the two hands using the formula: |30H - 11M/2|, where H is the hour and M is the minute.
- Q15. Is it possible to create slideshow without using javascript
- Ans.
Yes, it is possible to create a slideshow without using JavaScript.
Use CSS animations and transitions to create the slideshow.
Use HTML and CSS to structure and style the slideshow.
Utilize keyframe animations to create the slide transitions.
Use radio buttons or checkboxes to control the slideshow navigation.
Apply the :target pseudo-class to create a simple slideshow without JavaScript.
- Q16. Questions about my current project and academic project
- Q17. Given two points A and B with distance between them lets say D.there are N men who want to go from point A to point B.All men walk with same speed.They also have one scooter with them which has speed grea...
- Ans.
The men can take turns riding the scooter, allowing them to reach point B faster.
The men can form a queue and take turns riding the scooter.
The person riding the scooter can drop it off at a certain point and the next person can pick it up.
The scooter can be passed along the line of men until everyone reaches point B.
Interview Preparation Tips
College Name: na
Skills evaluated in this interview
I applied via Job Portal and was interviewed in Jul 2024. There was 1 interview round.
There is a question based on Rest API and another question on Java
Interview Preparation Tips
- REST API
- Java
Interview Preparation Tips
Experience: The resume was as per the norms of our institute’s placement office. One should mention only relevant points in the resume because if they ask you something from the resume and you are unable to answer then they will reject you bluntly.
Round: Test
Experience: In the written test the questions asked were mainly aptitude based. The company had sent us some sample question papers before the written test. The questions in the test appeared from those sample papers only. Most of the questions were tricky – questions were framed in a very lengthy manner and the answers or the data required to solve the question was hidden in the last few lines. Many students wasted their time analysing such questions completely. Out of the 80 odd students who appeared for the test only 11 qualified for the next round.
Round: Technical Interview
Experience: In the technical interview he asked me whether I knew programming, I replied in the negative. He asked me to suggest an algorithm to a problem. The problem was based on swapping of numbers. At first I gave a very bland reply. The interviewer wasn’t convinced by my reply and gave me another opportunity to explain me the process. This time I managed to answer appropriately. The interviewer then enquired about my internship and my projects.
Round: HR Interview
Experience: The HR interview was taken by some top company official. He asked me to narrate any challenging incident in my life that I had to struggle through to emerge out of it. One important thing to note here is that your CGPA would speak for you – if you have a good CGPA half the battle is won.
College Name: IIT ROORKEE
Motivation: TCS recruits a large number of students from various colleges across the country. Knowing this fact beforehand I was not much interested in joining the company. I appeared for its process as a last resort. The company had organized a pre-placement talk. I attended the talk and before appearing for the first round I went through the brochure that was given out during the pre-placement talk.
You do not require any specific information regarding the company to ace the interviews or any questionnaire.
Rohit Naik
Interview Questionnaire
9 Questions
- Q1. The technical round was followed by HR interview to save time
- Q2. What is multithreading
- Ans.
Multithreading is the ability of a program to perform multiple tasks concurrently.
Multithreading allows for better utilization of CPU resources
It can improve program performance and responsiveness
Examples include running multiple downloads simultaneously or updating a GUI while performing a background task
Synchronization is important to prevent race conditions and ensure thread safety
- Q3. How is multithreading implemented in JAVA
- Ans.
Multithreading in Java allows concurrent execution of multiple threads.
Java provides built-in support for multithreading through the java.lang.Thread class.
Threads can be created by extending the Thread class or implementing the Runnable interface.
The start() method is used to start a new thread, which calls the run() method.
Synchronization mechanisms like synchronized blocks and locks can be used to control access to ...
- Q4. Does Java support multiple Inheritance? If not then how an interface inherits two interfaces? Explain?
- Ans.
No, Java does not support multiple inheritance. However, interfaces can inherit multiple interfaces.
Java does not allow a class to inherit from multiple classes.
This is because multiple inheritance can lead to ambiguity and conflicts.
However, a class can implement multiple interfaces in Java.
An interface can extend multiple interfaces, allowing for inheritance of multiple interfaces.
This is known as interface inheritan
- Q5. Difference between DO-WHILE & WHILE Loop
- Ans.
DO-WHILE loop executes the code block at least once, while WHILE loop executes only if the condition is true.
DO-WHILE loop checks the condition at the end of the loop
WHILE loop checks the condition at the beginning of the loop
DO-WHILE loop executes the code block at least once
WHILE loop may not execute the code block at all if the condition is false
- Q6. Rate urself on 1-10 scale
- Ans.
I would rate myself as an 8 on a scale of 1-10.
I have a strong understanding of software development principles and practices.
I have experience working with multiple programming languages and frameworks.
I am skilled in problem-solving and debugging.
I have successfully delivered complex software projects in the past.
I continuously strive to learn and improve my skills.
- Q7. How wil you dispaly data of two tables? explain?
- Ans.
Display data of two tables by joining them using a common column.
Use SQL JOIN statement to combine data from two tables based on a common column.
Choose the appropriate type of JOIN based on the relationship between the tables.
Specify the columns to be displayed in the SELECT statement.
Use aliases to differentiate between columns with the same name in both tables.
Apply any necessary filters or sorting to the result set.
- Q8. Why should i hire you
- Q9. Why TCS
Interview Preparation Tips
Experience: If you are taking examination of both analytical and verbal part then you will get 10 minutes for verbal part first and then 80 minutes for analytical part. Even if you solve verbal part in less than 10 minutes the remaining time will not be added to your analytical part. Analytical part consists of 30 questions need to be solved within 80 minutes. You can easily navigate the question and exam environment is same as in TCS Open See Same. You will have an on screen calculator. You can also carry a calculator in examination hall. My suggestion is to carry your own calculator because on screen calculator will only waste your time.
Tips: You can refer Quantitative Aptitude by Arun Sharma : This is the book for a CAT aspirants. Believe me if you solve LOD 1 and LOD 2, you can easily crack the analytical round. This is the sole book I used while preparing for TCS. Here you will get each concept explained beautifully. Read all the theory and solve example problems also. Do not rely on Quantitative Aptitude by R. S. AGARWAL
Duration: 90 minutes
Total Questions: 50
Round: Technical Interview
Experience: I do not remember all the questions they asked me, but a few are as above. i hope it helps :)
Tips: In technical round you will be asked simple conceptual questions. Never ever show how smart you are because interviewer is smarter than you. Keep calm and be confident. If you do not know answer of any question, simply say no and do not proceed with half answers or wrong answer because they will trap you in your own answer. In this round you will be asked question mostly from your CV. If you are a CSE/IT guy then never ever rely only on your CV. It entirely depends on the interviewer mind. If they do not see your resume then you will be asked question from any topic related to CSE/IT branch. So the idea is to prepare well for the subject and topic you have mentioned in your CV and also keep sound knowledge of other CSE/IT subjects. This is what happened in my P. I. . They reviewed my resume but not even a single technical questions they asked related to the subjects or topics mentioned in my resume. So guys/gals be prepared and have a basic knowledge of important CSE/IT subjects ( Data Structure, DBMS, C/C++, JAVA, Operating Systems, Software Engineering etc.) . They do not go in depth of any subject and ask only basic questions.
General Tips: Keep trying ! :)
Skill Tips: NA
Skills: C programming basics, JAVA , DB, C++, OS basics
College Name: TERNA ENGINEERING COLLEGE
Motivation: TCS is the largest software company of India. It is the most admired company of India. Being an employee of TCS is what many dream. And getting into TCS is quite easy also. All that you need is your desire and work towards it.
Funny Moments: Yet to happen
Skills evaluated in this interview
Interview Questionnaire
11 Questions
- Q1. Why do u want to move into IT
- Q2. Wat do u understand by the term Networking
- Ans.
Networking refers to the process of connecting devices and systems to share information and resources.
Networking involves the use of hardware and software to connect devices and systems.
It allows for the sharing of information and resources such as files, printers, and internet access.
Networking can be done through wired or wireless connections.
Examples of networking technologies include Ethernet, Wi-Fi, and Bluetooth.
...
- Q3. Explain the concepts of a router
- Ans.
A router is a networking device that forwards data packets between computer networks.
A router operates at the network layer of the OSI model.
It uses routing tables to determine the best path for data packets to reach their destination.
Routers can connect multiple networks together, such as LANs and WANs.
They provide network address translation (NAT) to allow multiple devices to share a single public IP address.
Routers ...
- Q4. What is subnetting
- Ans.
Subnetting is the process of dividing a network into smaller subnetworks, called subnets, to improve network efficiency and security.
Subnetting allows for better utilization of IP addresses by dividing a network into smaller segments.
It helps in improving network performance by reducing network congestion.
Subnetting enhances network security by isolating different departments or devices within a network.
It enables effi...
- Q5. What are protocols
- Ans.
Protocols are a set of rules and guidelines that govern the communication between devices or systems.
Protocols define the format and order of messages exchanged between devices.
They ensure reliable and efficient communication by specifying error detection and correction mechanisms.
Examples of protocols include TCP/IP, HTTP, SMTP, and FTP.
Protocols can operate at different layers of the network stack, such as the applic
- Q6. What are static & dynamic protocols
- Ans.
Static protocols are fixed and do not change, while dynamic protocols can adapt to changing network conditions.
Static protocols are typically used in simple networks with predictable traffic patterns.
Dynamic protocols are used in complex networks with varying traffic patterns.
Examples of static protocols include ARP and RARP.
Examples of dynamic protocols include OSPF and BGP.
- Q7. Why TCS
- Ans.
TCS is a leading global IT services company with a strong reputation and diverse opportunities for growth.
TCS has a strong reputation in the IT industry for delivering high-quality services and solutions.
TCS offers diverse opportunities for growth and career development.
TCS has a global presence, providing exposure to different cultures and working environments.
TCS values innovation and encourages employees to think cr...
- Q8. Why should i hire u
- Q9. Wat do expect from us since u r a non IT candidate
- Ans.
I expect to receive proper training and support to transition into the IT field successfully.
I expect to be provided with relevant training and resources to learn the necessary skills for the role.
I hope for guidance and mentorship from experienced IT professionals within the company.
I am eager to contribute my non-IT skills and knowledge to the team, bringing a fresh perspective.
I am committed to putting in the effort...
- Q10. What are ur strengts & weaknesses
- Q11. Any queries
Interview Preparation Tips
Experience: Written round consists of Analytical Test and Verbal Ability Test. TCS has various criteria for skipping Analytical Test. If you are a geek ( in top five of a few stream like CSE/IT/ECE/EE/Mechanical ) then you will be allowed to skip the Analytical round. Also if you have at least 75% aggregate in 10th and 12th and a minimum percentage marks in college ( This is set by TCS and varies from college to college, May be 8.5 pointer or 7.90 or as desired by TCS ) then you can skip analytical round. TCS is continuously changing its placement process so prepare for the worst and do not pretend that you can skip the analytical round even if you are a geek.If you are taking only verbal part then you will get ten minutes time and within this time frame you need to write an email based on the given scenario.
Tips: solve more n more questions to clear aptiude cz dats da first step. :)
Duration: 90 minutes
Total Questions: 45
Round: Technical Interview
Experience: Personal Interview round consists of three phases i.e. T. R. + M. R.+H. R. . So you will come across three person. If you are being interviewed by a panel of three person than you will have all the three interview in a single round. If you are being interview by only two persons than you will have to go through HR round only when you qualify the previous round. So this varies but you will have to go through all the three phases.
Tips: In technical round you will be asked simple conceptual questions. Never ever show how smart you are because interviewer is smarter than you. Keep calm and be confident. If you do not know answer of any question, simply say no and do not proceed with half answers or wrong answer because they will trap you in your own answer. In this round you will be asked question mostly from your CV. If you are a CSE/IT guy then never ever rely only on your CV. It entirely depends on the interviewer mind. If they do not see your resume then you will be asked question from any topic related to CSE/IT branch. So the idea is to prepare well for the subject and topic you have mentioned in your CV and also keep sound knowledge of other CSE/IT subjects. This is what happened in my P. I. . They reviewed my resume but not even a single technical questions they asked related to the subjects or topics mentioned in my resume. So guys/gals be prepared and have a basic knowledge of important CSE/IT subjects ( Data Structure, DBMS, C/C++, JAVA, Operating Systems, Software Engineering etc.) . They do not go in depth of any subject and ask only basic questions.
I do not remember all the questions they asked me, but a few are as above
Round: HR Interview
Experience: This round lets you know about TCS terms and conditions. They can ask you questions related to your family and other non-technical stuffs. Basically they check your communication skills and presence of mind. Even if you do not know the answer of a non-technical question, give answer in support of that. Here they may also ask you questions related to pre-placement talk so do not miss that one. Also do R & D on TCS and grab information about TCS ( like C. E. O., M. D., Founder etc. ). If you have qualified the T. R. and M. R. round then you are almost selected.
The most commonly asked questions in HR round are listed above. DO refer..
Tips: Be well prepared for the FAQz. so u can answer dem cnfidently
General Tips: develop programming skills & logics
Skill Tips: NA
Skills: c programing, ccna, ccnp, hardware, networking
College Name: SIES Institute of Technology.
Motivation: understand the basic math formulae. and also basic networking skills
Funny Moments: NA
Skills evaluated in this interview
Interview Questionnaire
12 Questions
- Q1. Basic c, c++, java questions
- Q2. What is multithreading
- Ans.
Multithreading is the ability of a program to perform multiple tasks concurrently.
Multithreading allows for better utilization of CPU resources
It can improve program performance and responsiveness
Examples include running multiple downloads simultaneously or updating a GUI while performing a background task
Synchronization is important to prevent race conditions and ensure thread safety
- Q3. How multithreading is carried in java
- Ans.
Java supports multithreading through the java.lang.Thread class and java.util.concurrent package.
Java threads are created by extending the Thread class or implementing the Runnable interface.
Threads can be started using the start() method.
Synchronization can be achieved using synchronized keyword or locks.
Java provides several classes and interfaces to support concurrent programming such as Executor, ExecutorService, F...
- Q4. Does Java support multiple Inheritance? If not then how an interface inherits two interfaces? Explain
- Ans.
Java does not support multiple inheritance, but interfaces can inherit multiple interfaces.
Java does not allow a class to inherit from multiple classes, but it can implement multiple interfaces.
Interfaces can inherit from multiple interfaces using the 'extends' keyword.
For example, interface C can extend interfaces A and B: 'interface C extends A, B {}'
- Q5. Difference between Do – While and While loop.
- Ans.
Do-While loop executes the code block once before checking the condition, while loop checks the condition first.
Do-While loop is used when the code block needs to be executed at least once.
While loop is used when the code block may not need to be executed at all.
Do-While loop is less efficient than While loop as it always executes the code block at least once.
Example of Do-While loop: do { //code block } while (conditi...
- Q6. How will you display data of two tables?
- Ans.
Join the tables on a common column and display the combined data.
Identify the common column in both tables
Use JOIN statement to combine the tables
Select the columns to display
Apply any necessary filters or sorting
Display the data in a table or list format
- Q7. Explain. Difference between primary key and unique key
- Ans.
Primary key uniquely identifies a record in a table, while unique key ensures uniqueness of a column.
Primary key cannot have null values, while unique key can have one null value.
A table can have only one primary key, but multiple unique keys.
Primary key is used as a foreign key in other tables, while unique key is not.
Example: Employee ID can be a primary key, while email address can be a unique key.
- Q8. Rate urself on 1 to 10 scale
- Q9. Y r ur academics below 6.5cgpa
- Q10. Y shud i hire u
- Ans.
I have a strong background in software development, excellent problem-solving skills, and a passion for learning new technologies.
Extensive experience in programming languages such as Java, Python, and C++
Proven track record of delivering high-quality software solutions on time and within budget
Strong analytical and problem-solving skills, with the ability to quickly adapt to new technologies and frameworks
Excellent co...
- Q11. What r ur weaknesses
- Q12. Can u work in nyt shifts if required
Interview Preparation Tips
Experience: have intrest in coding.. must know programming logics
Tips: be calm and attmpt evry question..
Round: Group Discussion
Experience: make sure you are prepared frequently asked topics.. speak honestly.. speak more herewich wil reflect ur confident but dont over do. also maintain the constant voice tone
Tips: be honest to urself.. dnt let ur imag go down
Round: Technical Interview
Experience: In technical round you will be asked simple conceptual questions. Never ever show how smart you are because interviewer is smarter than you. Keep calm and be confident. If you do not know answer of any question, simply say no and do not proceed with half answers or wrong answer because they will trap you in your own answer. In this round you will be asked question mostly from your CV. If you are a CSE/IT guy then never ever rely only on your CV. It entirely depends on the interviewer mind. If they do not see your resume then you will be asked question from any topic related to CSE/IT branch. So the idea is to prepare well for the subject and topic you have mentioned in your CV and also keep sound knowledge of other CSE/IT subjects. This is what happened in my P. I. . They reviewed my resume but not even a single technical questions they asked related to the subjects or topics mentioned in my resume. So guys/gals be prepared and have a basic knowledge of important CSE/IT subjects ( Data Structure, DBMS, C/C++, JAVA, Operating Systems, Software Engineering etc.) . They do not go in depth of any subject and ask only basic questions.
Tips: first clear ur basiic concepts.. n also have gr88 coding skills n logics for the same.
Round: HR Interview
Experience: being 100% honest wil help u clear dis easilyy n get thru IT.. since its da lasst round.. ALL DA VERY BEST GUYS :)
General Tips: be confident & well prepared
Skill Tips: Gain programming skills.. that help u clear all the 3 rounds successfully. Smile whenever possible.
Skills: Ability To Deal Diplomatically, positive outlook, hardworker
College Name: PIIT, PANVEL
Motivation: wear a SMILE always.. no matter wat happens
Funny Moments: yet to happen.. preparing for last sems now..
Skills evaluated in this interview
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