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StratApps Senior Java Developer Interview Questions and Answers
StratApps Senior Java Developer Interview Experiences
1 interview found
Selected
I applied via Recruitment Consulltant and was interviewed in Aug 2023. There were 3 interview rounds.
About previous works and codes for some cases, after giving all those they are telling like we do have these kind of people here.
(1 Question)
- Q1. Good. About previous works, projects, technologies and frameworks.
(1 Question)
- Q1. Worst HR Round. Sirisha Durgaraju HR manager who is a 5 years experienced HR with no patience and tongue changing lady. In the discussion she started like we want high standards like CMO level for 5 years ...
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Top trending discussions
Interview questions from similar companies
I was interviewed in Oct 2024.
(4 Questions)
- Q1. Spring cloud gateway
- Q2. JWT Token structure and details
- Q3. Java 11 features
- Q4. Stream related problems
Hackerrank - Hackerrank test including multiple choice and 2 programming questions
(1 Question)
- Q1. Garbage collector internal implementation algorithm
- Ans.
Garbage collector is an automatic memory management system in Java that reclaims memory by deallocating objects no longer in use.
Garbage collector uses different algorithms like Mark-Sweep, Mark-Compact, and Copying to reclaim memory.
Mark-Sweep algorithm marks objects as reachable or unreachable, then sweeps through and deletes the unreachable objects.
Mark-Compact algorithm moves reachable objects to one end of the mem...
I was interviewed in Oct 2023.
Arrays, String, Linked list
(1 Question)
- Q1. Tell me abt ur self, tell me abt your project, what is multi-threading in Java, concurrency control, etc.
- Ans.
I am a Senior Java Developer with experience in multi-threading and concurrency control.
I have worked on various Java projects, including developing web applications and backend systems.
Multi-threading in Java allows multiple threads to execute concurrently within a single process.
Concurrency control is the management of simultaneous access to shared resources to prevent data inconsistency.
Examples of concurrency contr...
Manoj Cheulwar
Selected
I applied via Naukri.com and was interviewed before Feb 2023. There was 1 interview round.
(5 Questions)
- Q1. Java oops concepts , Java memory model , Java, lambda expressions example
- Q2. What are the oops concepts
- Ans.
Object-oriented programming concepts that help in organizing and designing code for reusability and maintainability.
Encapsulation: Bundling data and methods that operate on the data into a single unit (class).
Inheritance: Allowing a class to inherit properties and behavior from another class.
Polymorphism: Ability of objects to take on multiple forms or types.
Abstraction: Hiding the implementation details and showing on
- Q3. What is stream api
- Ans.
Stream API is a feature in Java that allows processing collections of objects in a functional style.
Stream API provides a way to perform operations on collections like filter, map, reduce, etc.
It supports functional programming paradigms like lambda expressions.
Example: List
names = Arrays.asList("Alice", "Bob", "Charlie"); Stream stream = names.stream();
- Q4. What is lambda expressions
- Ans.
Lambda expressions are anonymous functions that allow you to pass behavior as an argument to a method.
Lambda expressions are used to provide a concise way to represent behavior as data.
They are commonly used in functional programming and can be used to implement functional interfaces.
Lambda expressions can be used to iterate through collections using the forEach method.
- Q5. What Java memory model
- Ans.
The Java memory model defines how threads interact through memory when accessing shared data.
Defines the rules for reading and writing to shared variables in a multithreaded environment
Ensures visibility of changes made by one thread to other threads
Specifies the order in which operations are executed and how they are synchronized
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Skills evaluated in this interview
Senior Java Developer Interview Questions & Answers
JPMorgan Chase & Co.
Anonymous
posted on 27 Mar 2024
Selected
I applied via Recruitment Consulltant and was interviewed before Mar 2023. There were 4 interview rounds.
There is coding test consists of Easy / Medium DSA Question on Array/String/Hashing
(1 Question)
- Q1. Java 8 Feature, Immutable, OOPS, Hashmap Internal, Exception Handling, Multthreading lots of Qs asked( Synchonization , Lock ), Collection Framework, Singleton DP.
(1 Question)
- Q1. Project Discussion, Spring Boot Microservice related FAQ, @Transactional, Qualifier, JPA related Question, Design APIs for a given Use Case & Apply Authentication & Authorization, SOLID Design Principles
(1 Question)
- Q1. Explain Latest Project Architechture, asked Cross Question why RDBMS database , why not NoSQL DB used, How OAuth works/ how API Security implemented in your project, Explain any recent Prod Issue you have ...
Interview Preparation Tips
Senior Java Developer Interview Questions & Answers
American Express
Aditya Katiyar
posted on 1 Aug 2022
I applied via Referral and was interviewed in Jul 2022. There was 1 interview round.
(1 Question)
- Q1. 1. Eager , Lazy Singleton Design Pattern. 2. Java 8 Stream , Functions (Predicate , Supplier , Consumer ) , Comparator Chaining 3. Designing Pattern -> Count Like / Seen any Post of Instagram , Reduce N/W...
Interview Preparation Tips
Please confirm with HR if they are really interested to hire candidate , In my case i felt they were not really interested to hire .
Shaikh Aaqib
I applied via Naukri.com and was interviewed in Sep 2024. There were 3 interview rounds.
(2 Questions)
- Q1. Write an API to fetch the id and JSON from the client.
- Ans.
Create an API to fetch id and JSON from the client.
Create a RESTful API endpoint that accepts requests from the client
Use a GET request to fetch the id and JSON data from the client
Implement error handling for invalid requests or missing data
- Q2. Find forth highest salary from List using java 8.
- Ans.
Use Java 8 stream to find the forth highest salary from a List.
Use stream() method to convert the List to a stream.
Use distinct() method to remove duplicates.
Use sorted() method to sort the salaries in ascending order.
Use skip() method to skip the first three highest salaries.
Use findFirst() method to get the forth highest salary.
(2 Questions)
- Q1. Microservice Architecture questions
- Q2. Spring Boot Annotations
(2 Questions)
- Q1. Salary Expectation
- Q2. Basic HR questions
Skills evaluated in this interview
I applied via Company Website and was interviewed in Nov 2024. There were 2 interview rounds.
(1 Question)
- Q1. Project Architecture
(1 Question)
- Q1. Informatica tech questions
MCQ test consisting of 70 mcqs in 75 minutes from aptitude english and cs fundamentals. If cleared next paper 2 coding qs medium level
(2 Questions)
- Q1. Two sum leetcode problem
- Q2. What problems you faced in your project
- Ans.
I faced challenges with integrating third-party APIs and debugging complex logic.
Difficulty in understanding and implementing third-party APIs
Issues with data synchronization between different systems
Troubleshooting complex logic errors
Managing dependencies and version conflicts
Time constraints affecting problem-solving
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