Visa Summer Intern Interview Questions and Answers

So total 4 coding questions 2-medium 2-hard

Q1. One-on-one round more conditional questions 4-5 technical questions
Add your answer
Q2. 1os question 1dbms 1java 1cpp 1 computer network que and more situational questions
Add your answer
Q3. Diff between rdbms dbms
Ans. 
RDBMS is a type of DBMS that stores data in a structured format with relationships between tables.
• RDBMS enforces ACID properties for database transactions.

• RDBMS uses SQL for querying and managing data.

• DBMS is a general term for any system that manages databases, while RDBMS is a specific type.

• DBMS may not support relationships between tables like RDBMS does.
Answered by AI
Add your answer
Q4. Opps concept in java
Ans. 
Oops concept in Java refers to Object-Oriented Programming principles like Inheritance, Encapsulation, Polymorphism, and Abstraction.
• Inheritance allows a class to inherit properties and behavior from another class.

• Encapsulation involves bundling data and methods that operate on the data into a single unit.

• Polymorphism allows objects to be treated as instances of their parent class.

• Abstraction hides the implementation d...read more
Answered by AI
Add your answer
Q5. Sorting algorithms in any language
Ans. 
Sorting algorithms are used to arrange elements in a specific order in an array.
• Common sorting algorithms include Bubble Sort, Selection Sort, Insertion Sort, Merge Sort, Quick Sort, and Heap Sort.

• Each algorithm has its own time complexity and best/worst case scenarios.

• For example, Merge Sort has a time complexity of O(n log n) and is efficient for large datasets.
Answered by AI
Add your answer