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I applied via campus placement at G L Bajaj Institute of Technology & Management, Greater Noida and was interviewed in Oct 2024. There were 3 interview rounds.
They asked some general Quantitative and logical questions and code snippets.
posted on 29 Nov 2024
I applied via Naukri.com and was interviewed in Oct 2024. There were 2 interview rounds.
We can easily pass the test cases
Interface in Java is a reference type, similar to a class, that can contain only constants, method signatures, default methods, static methods, and nested types.
Interfaces are used to define a contract for classes that implement them.
Classes can implement multiple interfaces in Java.
Interfaces cannot have instance fields, constructors, or non-static methods.
Example: interface Shape { void draw(); }
Example: class Circle...
Abstraction is a concept in object-oriented programming where only relevant data is shown to the user while hiding unnecessary details.
Abstraction helps in simplifying complex systems by only showing essential features.
It allows for creating abstract classes and interfaces in Java.
Example: In a car, the driver only needs to know how to drive it without understanding the internal workings of the engine.
Exceptions are unexpected events that disrupt the normal flow of a program. Exception handling is the process of dealing with these events.
Exceptions are objects that represent an abnormal condition or error in a program.
Exception handling allows developers to gracefully handle errors and prevent the program from crashing.
Java provides try-catch blocks for handling exceptions. The try block contains the code that may t...
Arrays are a collection of elements of the same data type, while Strings are a sequence of characters.
Arrays can store multiple values of the same data type, accessed by index.
Strings are immutable sequences of characters, can be manipulated using various methods.
Example: int[] numbers = {1, 2, 3}; String name = "John";
Code Snept question with 3-4 Reasoning question. Google form
Pen paper coding round. String , Array . Linkedlist , graph, questions
To find the nearest prime number, iterate from the given number in both directions until a prime number is found.
Start iterating from the given number in both directions to find the nearest prime number.
Check if a number is prime by dividing it by all numbers less than its square root.
Keep track of the closest prime number found during the iteration.
Find the second maximum number in an array of strings.
Convert the array of strings to an array of integers.
Sort the array in descending order.
Return the second element in the sorted array.
posted on 17 Oct 2024
I applied via Walk-in
To implement a queue using a stack, use two stacks and simulate the queue operations.
Use two stacks, one for enqueue operation and one for dequeue operation.
For enqueue operation, simply push elements onto the stack used for enqueueing.
For dequeue operation, if the dequeue stack is empty, pop all elements from enqueue stack and push onto dequeue stack.
Then pop from the dequeue stack to simulate dequeue operation.
A linked list is a data structure consisting of nodes where each node points to the next node in the sequence.
Create a Node class with data and next pointer
Initialize a head pointer to null
Add nodes by updating next pointers
Traverse the list by following next pointers
I applied via Recruitment Consulltant and was interviewed in May 2024. There were 2 interview rounds.
Lookup is used to perform a left outer join in MongoDB, while graphlookup is used to perform recursive graph traversal.
Lookup is used to perform a left outer join between two collections in MongoDB.
Graphlookup is used to perform recursive graph traversal in a collection that contains graph data.
Lookup can only perform a single level join, while graphlookup can perform multiple levels of traversal.
Lookup is faster than
Use a hashmap to count the frequency of each character in a string.
Create a hashmap to store characters as keys and their frequencies as values.
Iterate through the string and update the hashmap accordingly.
Return the hashmap with character frequencies.
Creating a REST API from controller to repository using NOTEPAD
Create a controller class with mapping annotations for REST endpoints
Implement service layer to handle business logic and interact with repository
Define repository interface with methods for data access operations
Use Spring Boot for easy setup and configuration
Test API endpoints using tools like Postman
posted on 5 Aug 2024
It is very impressive work on Josh technology assessment because we learn many new skills.
API stands for Application Programming Interface. It is a set of rules and protocols that allows different software applications to communicate with each other.
APIs define the methods and data formats that applications can use to request and exchange information.
APIs can be used to access services provided by other software applications, such as retrieving data from a database or sending notifications.
Examples of APIs ...
Software development life cycle (SDLC) is a process used by software developers to design, develop, and test software.
1. Planning: Define the project scope, requirements, and objectives.
2. Analysis: Gather and analyze user requirements.
3. Design: Create a detailed design of the software.
4. Implementation: Develop the software based on the design.
5. Testing: Test the software for bugs and issues.
6. Deployment: Release t...
I applied via Campus Placement and was interviewed in Jun 2024. There were 2 interview rounds.
It was ok. I was not able to solve all the questions.
To remove the last element from a linked list, iterate to the second last node and update its next pointer to null.
Iterate through the linked list to find the second last node
Update the next pointer of the second last node to null
I applied via LinkedIn and was interviewed in Aug 2024. There was 1 interview round.
The interviewer asked about javascript basics and DSA questions and some typescript questions
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