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I applied via Naukri.com and was interviewed in May 2023. There were 3 interview rounds.
Reverse a string without using functions in Java and Python
Iterate through the string from end to start and store each character in a new array
Join the characters in the new array to form the reversed string
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I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.
I applied via Naukri.com and was interviewed in Jul 2024. There were 2 interview rounds.
2 programmings on problem solving+ some mcqs on Java + spring boot+ mysql
Use pagination, indexing, caching, and query optimization to fetch 1 lakh entries efficiently from the database.
Implement pagination to fetch data in smaller chunks
Create indexes on columns frequently used in queries
Use caching to store frequently accessed data
Optimize queries by avoiding unnecessary joins and using appropriate indexes
Consider using database-specific optimizations like query hints or stored procedures
Streams process elements sequentially, while parallel streams process elements concurrently.
Streams process elements one by one in a sequential manner.
Parallel streams process elements concurrently, potentially utilizing multiple threads for faster processing.
Streams are suitable for smaller datasets or when order matters.
Parallel streams are more efficient for larger datasets or when order is not important.
Example: St...
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 keyword can be used to initialize a variable only once.
Example: public static int count = 0;
I applied via Naukri.com and was interviewed in Mar 2024. There was 1 interview round.
Java 8 introduced improvements in memory management with features like Metaspace and G1 garbage collector.
Java 8 introduced Metaspace to replace the PermGen space for class metadata storage.
G1 garbage collector in Java 8 improves garbage collection performance by dividing the heap into regions.
Java 8 also introduced the concept of String deduplication to reduce memory usage for String objects.
CQRS pattern separates read and write operations in microservices for better scalability and performance.
CQRS stands for Command Query Responsibility Segregation
It separates the read and write operations in microservices
Write operations update the data, while read operations retrieve the data
Helps in improving scalability and performance by optimizing for each operation type
posted on 4 Oct 2024
I applied via Campus Placement
Based on python and also question included networking
The first question is about a single linked list problem, and the second question is about substring matching.
For the single linked list problem, you may need to implement operations like insertion, deletion, and traversal.
For substring matching, you can use algorithms like brute force, Knuth-Morris-Pratt, or Boyer-Moore.
Examples for the single linked list problem: reversing a linked list, finding the middle element, o...
The question is about solving a problem related to single linked lists.
Understand the concept of a single linked list
Implement basic operations like insertion, deletion, and traversal
Consider edge cases like an empty list or a list with only one node
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