Happiest Minds Java Developer Interview Experience for 4 - 7 years of experience.

Welcome to Code With Roy !!

0:00 Introduction
1:21 What is a try with resource
1:57 Stream vs Parallel Streams
3:00 What it uses internally how it works internally parallel stream
3:48 There is a functional interface and predicate what is the difference between two
4:06 What are the memory areas we have in java?
5:48 What is a demon thread and how it works?
6:32 What are the the collections you have used in your project?
6:48 How Hash Map works internally?
9:05 Why we use CopyOnWriteArrayList ?
9:49 How to create a Thread Pool?
11:40 How Cache thread assigns task ?
15:00 What are the features of spring boot?
16:43 How do you check the health of your application?
17:16 How have you connected Oracle SQL/MySQL with your SpringBoot application.
17:49 have you ever used of Caching techniques in your application.
18:32 OutOfMemory issues in application.
20:19 @Qualifier
20:46 Difference between @PathVariable and @QueryParam
21:47 suppose you have a scenario where you need to verify the password okay and for that you need to create a API. How will you
do that, basically to secure API how will you secure your password.

25:36 Authentication Authorization how it works?
27:38 Spring JPA vs Hibernate.
27:56 What are Entities?
29:03 What is the work of an entity Manager?
30:33 What are the things is required to create entity class?
30:59 Can entity classes be final?
31:20 What are the annotations required to make an entity class?
32:08 How data is stored in Mongo DB?
33:21 What are Design patterns you have used in your project?
34:21 What is an API gateway when how does it work?
35:36 what is difference between Mockito and Power Mockito?
37:39 Have you worked with Amazon S3 or Cloud GCP or any other cloud platforms?
38:39 Jenkins Build pipelines knowledge
39:33 What are IAM roles and permissions in cloud? [Identity Access Management]
40:55 How to Auto-scale Services?
44:00 Valid Paranthesis problem [Stack - Leetcode]
55:37 Have you worked on CF Elastic Search?

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