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TCS iON Software Developer Interview Questions and Answers
35 Interview questions
Loops in Python are constructs that allow repeated execution of a block of code based on a condition or a sequence.
Types of loops: 'for' loops and 'while' loops.
For loop example: 'for i in range(5): print(i)' prints numbers 0 to 4.
While loop example: 'count = 0; while count < 5: print(count); count += 1' prints numbers 0 to 4.
Loops can be controlled using 'break' to exit and 'continue' to skip to the next itera...
To find a substring within an array of strings, iterate through each string and check if the substring exists in each string.
Iterate through each string in the array
Use the indexOf() method to check if the substring exists in each string
Return the index of the string if the substring is found, otherwise return -1
I bring a unique blend of skills, experience, and passion for software development that aligns with your team's goals.
Proven experience in full-stack development, having built scalable applications using React and Node.js.
Strong problem-solving skills demonstrated by successfully optimizing a legacy system, improving performance by 30%.
Excellent teamwork and communication abilities, as shown in my role as a lead d...
Reverse the order of elements in a sorted array of strings.
Iterate through the array from both ends and swap elements until reaching the middle.
Use a temporary variable to store the value of the element being swapped.
Example: Input array ['apple', 'banana', 'cherry', 'date'] should be reversed to ['date', 'cherry', 'banana', 'apple'].
Lists are mutable, tuples are immutable in Python.
Lists are enclosed in square brackets [], tuples are enclosed in parentheses ().
Lists can be modified (add, remove, change elements), tuples cannot be modified once created.
Lists are slower than tuples for iteration and indexing.
Example: list_example = [1, 2, 3], tuple_example = (4, 5, 6)
Primary key in SQL is a unique identifier for each record in a table.
Primary key ensures each record in a table is unique
It can be a single column or a combination of columns
Primary key values cannot be NULL
Example: 'id' column in a 'users' table can be a primary key
A friendly function is a function that is not a member of a class but has access to its private and protected members.
Allows a function to access private and protected members of a class
Declared with the 'friend' keyword in the class definition
Not a member of the class itself
Virtual function is a function in a base class that is overridden in a derived class.
Virtual functions allow a derived class to provide a specific implementation of a function that is already defined in a base class.
They are used in polymorphism to achieve runtime binding.
The base class function must be declared as virtual for a function in a derived class to be considered as overriding it.
Object-oriented programming concepts in Java
OOPs stands for Object-Oriented Programming
Key concepts include classes, objects, inheritance, polymorphism, encapsulation
Java is an OOP language with support for these concepts
Example: Class Car with properties like make, model and methods like drive()
Power BI is better than others due to its user-friendly interface, powerful data visualization capabilities, and seamless integration with other Microsoft products.
User-friendly interface allows for easy data analysis and visualization
Powerful data visualization capabilities help in creating insightful reports and dashboards
Seamless integration with other Microsoft products like Excel, Azure, and Dynamics 365 enha...
TCS iON Software Developer Interview Experiences
37 interviews found
sudeep patil
I applied via Campus Placement
Time value distance clock
(1 Question)
- Q1. Points arrays oparetor
(2 Questions)
- Q1. Tell me Your self
- Q2. Why should higher you
Interview Preparation Tips
Don't vest time
Anonymous
I appeared for an interview in Jan 2025.
(2 Questions)
- Q1. What is the process to find a substring within an array?
- Ans.
To find a substring within an array of strings, iterate through each string and check if the substring exists in each string.
Iterate through each string in the array
Use the indexOf() method to check if the substring exists in each string
Return the index of the string if the substring is found, otherwise return -1
- Q2. Array based question
I applied via Walk-in and was interviewed in May 2024. There were 2 interview rounds.
Basic apt, advanced apt - 90 min
(4 Questions)
- Q1. What is Maven? where it used ? what it use case ?
- Ans.
Maven is a build automation tool used primarily for Java projects to manage dependencies, build processes, and project documentation.
Maven is used to manage project dependencies by automatically downloading required libraries from repositories.
It simplifies the build process by providing a standard way to build, test, and package projects.
Maven uses a project object model (POM) file to define project structure, depende...
- Q2. Spring (again based on the resume)
- Q3. Simple Java Program?
- Q4. JDBC ? HOW WE USE IT ?
- Ans.
JDBC is a Java API for connecting and executing SQL queries on a database.
JDBC stands for Java Database Connectivity.
It allows Java programs to interact with databases.
We use JDBC by loading the driver, establishing a connection, creating a statement, executing queries, and handling results.
Example: Class.forName("com.mysql.jdbc.Driver"); Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/databas...
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via Company Website and was interviewed in Jul 2024. There was 1 interview round.
(2 Questions)
- Q1. What is virtual unction
- Ans.
Virtual function is a function in a base class that is overridden in a derived class.
Virtual functions allow a derived class to provide a specific implementation of a function that is already defined in a base class.
They are used in polymorphism to achieve runtime binding.
The base class function must be declared as virtual for a function in a derived class to be considered as overriding it.
- Q2. What is friendly function
- Ans.
A friendly function is a function that is not a member of a class but has access to its private and protected members.
Allows a function to access private and protected members of a class
Declared with the 'friend' keyword in the class definition
Not a member of the class itself
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Sep 2024. There were 2 interview rounds.
Basic questions like quant and LR
(1 Question)
- Q1. Reverse Array of sorted
- Ans.
Reverse the order of elements in a sorted array of strings.
Iterate through the array from both ends and swap elements until reaching the middle.
Use a temporary variable to store the value of the element being swapped.
Example: Input array ['apple', 'banana', 'cherry', 'date'] should be reversed to ['date', 'cherry', 'banana', 'apple'].
Skills evaluated in this interview
(2 Questions)
- Q1. Tell us about your previous project
- Q2. Controller specification of previous projects
- Ans.
Designed and implemented controllers for various projects using MVC architecture
Utilized MVC design pattern to separate concerns and improve code maintainability
Implemented controller logic to handle user input and interact with models and views
Ensured controllers were properly tested and integrated with the rest of the application
Interview Preparation Tips
Pratiyush Bhatia
Mutithreading related questions and spring
Asked about threading and spring boot
Asked about mutlithreading and spring boot.
ratnesh kumar
Simple aptitude test
(2 Questions)
- Q1. Rybvfhvv gg. F ghnj gjnnb
- Q2. Dhhct yhbcdu gygbx gujbxf
(2 Questions)
- Q1. Why this job for you
- Q2. Is you confirmed to join
Sarfraz Alam
- Q1. What are Looops in Python
- Ans.
Loops in Python are constructs that allow repeated execution of a block of code based on a condition or a sequence.
Types of loops: 'for' loops and 'while' loops.
For loop example: 'for i in range(5): print(i)' prints numbers 0 to 4.
While loop example: 'count = 0; while count < 5: print(count); count += 1' prints numbers 0 to 4.
Loops can be controlled using 'break' to exit and 'continue' to skip to the next iteration.
...
- Q2. Lambda functions in python
sravani bobbili
(2 Questions)
- Q1. What is oops in java
- Ans.
Object-oriented programming concepts in Java
OOPs stands for Object-Oriented Programming
Key concepts include classes, objects, inheritance, polymorphism, encapsulation
Java is an OOP language with support for these concepts
Example: Class Car with properties like make, model and methods like drive()
- Q2. Java inheritance encapsulation
Skills evaluated in this interview
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TCS iON Software Developer Reviews and Ratings
based on 66 reviews
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