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ITCS Interview Questions, Process, and Tips
Top ITCS Interview Questions and Answers
- Q1. what difference between methid overloading and method overridingasked in Java Developer interview
- Q2. what are implicite method of jsp ?asked in Java Developer interview
- Q3. what are the framwork do you know ?asked in Java Developer interview
ITCS Interview Experiences
2 interviews found
Anonymous
I applied via Naukri.com
Interview Questionnaire
12 Questions
- Q1. What static block
- Ans.
Static block is a block of code that is executed when a class is loaded into memory.
Static block is declared using the 'static' keyword.
It is executed only once when the class is loaded.
It is used to initialize static variables or perform any other static initialization.
It can throw exceptions which need to be handled.
Multiple static blocks can be defined in a class and they are executed in the order they are defined.
- Q2. What difference between methid overloading and method overriding
- Ans.
Method overloading is having multiple methods with the same name but different parameters, while method overriding is having a subclass method with the same name and parameters as a superclass method.
Method overloading is resolved at compile-time based on the number and type of arguments passed
Method overriding is resolved at runtime based on the actual object type
Method overloading is used to provide different ways of...
- Q3. Can we add null value in hashmap ?
- Ans.
Yes, null value can be added in HashMap.
HashMap allows null as key and value.
If a null key is added, it will replace the existing null key.
If a null value is added, it will be stored as a value with a null key.
- Q4. Sql update query
- Q5. What is testing
- Ans.
Testing is the process of evaluating a system or its component(s) with the intent to find whether it satisfies the specified requirements or not.
Testing is done to identify defects or errors in the system
It helps in improving the quality of the system
Testing can be done at different levels such as unit testing, integration testing, system testing, and acceptance testing
Automated testing is becoming more popular due to ...
- Q6. Difference berween abstract class and interface
- Ans.
Abstract class can have implementation while interface only has method signatures.
Abstract class can have constructors while interface cannot.
A class can implement multiple interfaces but can only extend one abstract class.
Abstract class can have non-abstract methods while interface only has abstract methods.
Abstract class is used for code reusability while interface is used for polymorphism.
Example of abstract class: ...
- Q7. Difference between oracle db and sql db
- Ans.
Oracle DB is a proprietary RDBMS while SQL DB is a generic term for any RDBMS that uses SQL as its language.
Oracle DB is developed and marketed by Oracle Corporation while SQL DB is a generic term for any RDBMS that uses SQL as its language.
Oracle DB is a proprietary RDBMS while SQL DB is a generic term for any RDBMS that uses SQL as its language.
Oracle DB has its own PL/SQL language while SQL DB uses SQL as its langua...
- Q8. Fetures of opps
- Ans.
OOPs is a programming paradigm based on the concept of objects.
Encapsulation - bundling of data and methods that act on that data
Inheritance - ability of a class to inherit properties and methods from a parent class
Polymorphism - ability of objects to take on many forms
Abstraction - hiding of complex implementation details from the user
- Q9. What is abstract
- Ans.
Abstract is a keyword in Java used to create abstract classes and methods.
Abstract classes cannot be instantiated
Abstract methods do not have a body and must be implemented by the subclass
Abstract classes can have both abstract and non-abstract methods
Abstract classes are used to provide a common interface for its subclasses
Example: abstract class Animal { abstract void makeSound(); }
- Q10. What are implicite method of jsp ?
- Ans.
JSP does not have any implicit methods, but it has implicit objects.
JSP has implicit objects like request, response, session, application, pageContext, out, config, and exception.
These objects are automatically available in JSP pages without any declaration or initialization.
They can be used to perform various operations like accessing request parameters, setting session attributes, etc.
- Q11. Servlet is interface or class ?
- Ans.
Servlet is an interface in Java EE used to handle HTTP requests and responses.
Servlet interface is implemented by classes like HttpServlet
It has methods like init(), service(), and destroy()
Servlets are used to create dynamic web pages and web applications
- Q12. What are the framwork do you know ?
- Ans.
I know several frameworks including Spring, Hibernate, and Struts.
Spring: widely used for building enterprise-level applications
Hibernate: object-relational mapping framework for database access
Struts: MVC framework for building web applications
Interview Preparation Tips
Skills evaluated in this interview
Top ITCS Java Developer Interview Questions and Answers
Java Developer Interview Questions asked at other Companies
Ankamma Rao
Interview Questionnaire
2 Questions
- Q1. Tel me about ur self
- Q2. Wt is dtp
- Ans.
DTP stands for Desktop Publishing. It refers to the process of creating and designing documents using specialized software.
DTP involves the use of software like Adobe InDesign, QuarkXPress, or Microsoft Publisher.
It is commonly used for creating brochures, flyers, newsletters, and other printed materials.
DTP allows for precise layout and formatting of text, images, and graphics.
It involves tasks like typesetting, page ...
Interview Preparation Tips
Experience: Typing test was conducted and I passed the test
Total Questions: 6
Round: HR Interview
Experience: My self ankammarao I am frm ap. I stay in Bangalore. I completed my ssc and +2 with 72%. I have working experience 2years
Round: Technical + HR Interview
Experience: Desktop publishing
Data Analyst Interview Questions asked at other Companies
Interview questions from similar companies
I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.
(16 Questions)
- Q1. What are custom hooks in React, and what are their use cases? Additionally, can you provide an example of a custom hook that performs an API call and utilizes the retrieved data?
- Q2. What is the difference between useMemo and useCallback in React?
- Q3. What is the difference between class-based components and functional components in React?
- Q4. How can you implement the lifecycle of a React component in a functional component?
- Q5. What are the various state management techniques available in React?
- Q6. What is the architecture of Redux, and what purposes do middlewares serve within it?
- Q7. What is hoisting in JavaScript?
- Q8. What is event bubbling in JavaScript?
- Q9. What are block scope and function scope in JavaScript?
- Q10. Have you had experience working with semantic tags in HTML?
- Q11. What are the various methods for creating an object in JavaScript?
- Q12. What are the differences between shallow copy and deep copy in JavaScript?
- Q13. What will be the output of the following JavaScript code fragment: `const a; function test() { console.log(a); }; test();`?
- Q14. How can you use CSS to arrange elements in a row and column layout?
- Q15. Have you utilized CSS preprocessors, and if so, which ones?
- Q16. If I have assigned different colors to an ID and a class and applied both to the same element, which color will be applied based on CSS specificity precedence?
Interview Preparation Tips
- Javascript
- React.Js
- HTML
- CSS
RISHABH Pal
Selected
I applied via Naukri.com and was interviewed in Nov 2024. There were 2 interview rounds.
The Aptitude Test session accesses mathematical and logical reasoning abilities
(6 Questions)
- Q1. What is Vlookup
- Ans.
Vlookup is a function in Excel used to search for a value in a table and return a corresponding value from another column.
Vlookup stands for 'Vertical Lookup'
It is commonly used in Excel to search for a value in the leftmost column of a table and return a value in the same row from a specified column
Syntax: =VLOOKUP(lookup_value, table_array, col_index_num, [range_lookup])
Example: =VLOOKUP(A2, B2:D10, 3, FALSE) - searc...
- Q2. Some IF else Question in Excel
- Q3. What does your day in your previous organization look like?
- Ans.
My day in my previous organization involved analyzing large datasets, creating reports, and presenting findings to stakeholders.
Reviewing and cleaning large datasets to ensure accuracy
Creating visualizations and reports to communicate insights
Collaborating with team members to identify trends and patterns
Presenting findings to stakeholders in meetings or presentations
- Q4. Could you share the technical skills you possess?
- Ans.
I possess strong technical skills in data analysis, including proficiency in programming languages, statistical analysis, and data visualization tools.
Proficient in programming languages such as Python, R, SQL
Skilled in statistical analysis and data modeling techniques
Experience with data visualization tools like Tableau, Power BI
Knowledge of machine learning algorithms and techniques
- Q5. Can you explain what a Pivot Table is?
- Ans.
A Pivot Table is a data summarization tool used in spreadsheet programs to analyze, summarize, and present data in a tabular format.
Pivot tables allow users to reorganize and summarize selected columns and rows of data to obtain desired insights.
Users can easily group and filter data, perform calculations, and create visualizations using pivot tables.
Pivot tables are commonly used in Excel and other spreadsheet program...
- Q6. Find the Highest-paid employee in each department along with their salary and department name.
- Ans.
To find the highest-paid employee in each department, we need to group employees by department and then select the employee with the highest salary in each group.
Group employees by department
Find the employee with the highest salary in each group
Retrieve the employee's name, salary, and department name
Interview Preparation Tips
- SQL
- Excel
- Problem Solving
- PowerBI
- SQL Queries
Be prepared to discuss past challenges and how did you overcome.
Selected
(5 Questions)
- Q1. HTML, CSS fundamentals
- Q2. Javascript event loop and array methods
- Q3. Javascript coding for operation on object array
- Ans.
Performing operations on an array of objects using JavaScript.
Use array methods like map, filter, reduce for operations on object array.
Access object properties using dot notation or bracket notation.
Iterate through the array using loops like for loop or forEach method.
Example: Calculate total sum of 'price' property in an array of products.
- Q4. React benefits and Redux implementations
- Q5. How to create slice and combine reducers
- Ans.
To create slice and combine reducers in React, use the createSlice and combineReducers functions from Redux toolkit.
Use createSlice function to define a slice of state with reducers and actions.
Example: const counterSlice = createSlice({ name: 'counter', initialState: 0, reducers: { increment: state => state + 1, decrement: state => state - 1 } })
Use combineReducers function to combine multiple slices into a sing...
(2 Questions)
- Q1. Questions based on projects, role, responsibilities and initiative at work place
- Q2. How to create and optimize a react application
- Ans.
To create and optimize a React application, focus on efficient component structure, state management, code splitting, lazy loading, and performance monitoring.
Use functional components and hooks for better performance.
Implement state management with tools like Redux or Context API.
Split code into smaller chunks and lazy load components for faster initial load times.
Optimize performance by minimizing re-renders and usin...
(1 Question)
- Q1. Day to day activity of workplace and salary negotiation
- Ans.
Day to day activities involve coding, debugging, testing, collaborating with team members. Salary negotiation involves research, preparation, and effective communication.
Coding and developing new features
Debugging and fixing issues
Testing code for quality assurance
Collaborating with team members for project progress
Researching market rates for salary negotiation
Preparing a strong case for desired salary
Effectively comm
Selected
I applied via LinkedIn and was interviewed in Nov 2024. There were 3 interview rounds.
(2 Questions)
- Q1. Basic ReactJs ,NodeJs questions with typescript
- Q2. Prepare for javascript problems on , string , array , recursion, this.fn
(2 Questions)
- Q1. Asked on Node.js event loop , libuv , AWS , Ci-Cid , authentication, middleware , design and problem solving questions
- Q2. Recursion, array methods problem solving Js questions , es6 , array methods
(2 Questions)
- Q1. Details about you and your family,. Location
- Q2. Salary expectations
Interview Preparation Tips
I applied via Approached by Company and was interviewed in Nov 2024. There were 2 interview rounds.
(3 Questions)
- Q1. What are the different types of interfaces?
- Ans.
Different types of interfaces include user interfaces, hardware interfaces, and software interfaces.
User interfaces: allow users to interact with the system, such as graphical user interfaces (GUI) and command-line interfaces (CLI)
Hardware interfaces: connect hardware components to the system, such as USB, HDMI, and Ethernet ports
Software interfaces: define how software components interact with each other, such as appl...
- Q2. What is the output of the program when the expression is evaluated as 0 divided by 7?
- Ans.
The output of the program when 0 is divided by 7 is 0.
Division of 0 by any number results in 0.
In programming languages, dividing by 0 usually results in an error or undefined behavior.
- Q3. What are coroutines, scope functions, and visibility modifiers?
- Ans.
Coroutines, scope functions, and visibility modifiers are key concepts in Kotlin programming for Android development.
Coroutines are a way to perform asynchronous programming in a sequential manner. They allow for non-blocking operations.
Scope functions are functions that allow you to execute a block of code within the context of an object. Examples include 'let', 'apply', 'run', 'also', and 'with'.
Visibility modifiers ...
(3 Questions)
- Q1. What is the MVVM (Model-View-ViewModel) architectural pattern?
- Ans.
MVVM is an architectural pattern that separates the user interface from the business logic and data handling in Android development.
Model represents the data and business logic of the application.
View is responsible for displaying the UI elements and sending user interactions to the ViewModel.
ViewModel acts as a mediator between the Model and the View, handling the communication and data flow.
MVVM helps in achieving se...
- Q2. What are the reasons for using that, and what are its pros and cons?
- Ans.
Using dependency injection in Android development can improve code maintainability and testability.
Pros: easier to manage dependencies, promotes code reusability, facilitates unit testing
Cons: initial setup can be complex, may introduce overhead in smaller projects
Example: Using Dagger 2 for dependency injection in an Android project
- Q3. Questions related Dependency injection dagger-hilt / koin
Selected
I applied via Walk-in and was interviewed in Nov 2024. There was 1 interview round.
(9 Questions)
- Q1. Myself and experience in english
- Q2. Selected for the peocess
- Q3. Last drawn salary why you are not another process
- Q4. Why you left last job
- Q5. Rate ur english 1 to 10 numbers
- Q6. Introduce yourself as a employee
- Q7. Season topic talk for two minutes
- Q8. How is good english
- Q9. Your favourite place on this topic
Interview Preparation Tips
BharathiRaja K
I applied via Job Portal and was interviewed in Oct 2024. There were 4 interview rounds.
(2 Questions)
- Q1. It was technical questions in relevant area
- Q2. The questions relevant to my skill set and experience
(2 Questions)
- Q1. The questions relevant to my skills and experience
- Q2. The questions relevant to job requirements
(2 Questions)
- Q1. General discussion about the profession and career
- Q2. Discussed job location and client
(2 Questions)
- Q1. Discussed about client and company
- Q2. Orientation related things discussed.
Interview Preparation Tips
Selected
I applied via Approached by Company and was interviewed in Oct 2024. There were 4 interview rounds.
Assessment via link MCQ
(2 Questions)
- Q1. Microservices theory, Kafka
- Q2. Singoloton design pattern, concurrent package, core java, collection questions, Java 8 related problem solving stream api questions
(2 Questions)
- Q1. Same like round 1, little bit managerial
- Q2. Producer consumer multithreading, Java 8 , core java, project
(2 Questions)
- Q1. Behavioral questions
- Q2. Situation based questions
Interview Preparation Tips
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