Indium Software Mendix Developer Interview Questions and Answers

20 aptitude,20 comunication,4 program questions

General topics . topics about online class vs office line class

Q1. In this round also they mainly check communication.after that basic questions about the what you put on your resume
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Q1. General round. In this round they told about the company and bond
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Q1. How does consumer, producer work in kafka
Ans. 
Consumers read data from topics, while producers write data to topics in Kafka.
• Consumers subscribe to topics to read messages from them

• Producers publish messages to topics for consumers to read

• Consumers can be part of a consumer group to scale out consumption

• Producers can specify key for messages to control partitioning
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This test was conducted in MSG browser and it has around 30 questions and around 3 to 5 are related to coding

Our topic of discussion is future of jobs and take the first initiative and don't go off topic and try to agree and add points with the fellow members

Q1. Tell me about yourself
Ans. 
Experienced Java Developer with a passion for creating efficient and scalable solutions.
• Over 5 years of experience in Java development

• Strong knowledge of object-oriented programming principles

• Proficient in Spring framework and Hibernate

• Experience with RESTful web services and microservices architecture

• Familiar with Agile development methodologies
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Q2. Tell me about the project
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Q3. Do you known nodejs
Ans. 
Yes, Node.js is a JavaScript runtime built on Chrome's V8 JavaScript engine.
• Node.js is used for server-side scripting and building scalable network applications.

• It allows developers to use JavaScript for both client-side and server-side development.

• Node.js has a large ecosystem of open-source libraries and frameworks like Express.js.

• It is commonly used for building real-time web applications, APIs, and microservices.
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Q1. Difference between ArrayList and LinkedList?
Ans. 
ArrayList is implemented as a resizable array, while LinkedList is implemented as a doubly linked list.
• ArrayList provides fast random access, LinkedList provides fast insertion and deletion.

• ArrayList uses more memory as it needs to allocate a fixed size array, LinkedList uses more memory for storing references to the next and previous elements.

• Example: ArrayList is better for scenarios where random access is required, ...read more
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Q2. Difference between HashMap and HashTable?
Ans. 
HashMap is non-synchronized and allows null values, while HashTable is synchronized and does not allow null values.
• HashMap is non-synchronized, meaning it is not thread-safe, while HashTable is synchronized and thread-safe.

• HashMap allows null values for both keys and values, while HashTable does not allow null keys or values.

• HashMap is faster than HashTable as it is non-synchronized, but HashTable is preferred in multi...read more
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Q1. Why functional interface when we have interface
Ans. 
Functional interfaces provide a single abstract method for functional programming in Java.
• Functional interfaces allow for lambda expressions and method references to be used as instances of the interface.

• Interfaces with multiple abstract methods cannot be used for lambda expressions.

• Example: java.util.function.Function is a functional interface with a single abstract method apply().
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Q2. Java 8 explain all features in short
Ans. 
Java 8 introduced new features like lambda expressions, streams, functional interfaces, and default methods.
• Lambda expressions: Allows writing concise code by enabling functional programming.

• Streams: Provides a way to work with sequences of elements efficiently.

• Functional interfaces: Interfaces with a single abstract method, used for lambda expressions.

• Default methods: Allows adding new methods to interfaces without br
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Q3. If one functional interface can extend another interface
Ans. 
Yes, one functional interface can extend another interface in Java.
• Functional interfaces can extend other functional interfaces in Java.

• The child interface can have only one abstract method, but can inherit default methods from the parent interface.

• Example: interface Parent { void method1(); } interface Child extends Parent { void method2(); }
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Was tough but can be cracked in one go

Easy to moderate need to study dsa

Q1. Self introduction
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Q2. Tell me about your projects
Ans. 
I have worked on various projects including a web application for a healthcare company and a mobile app for a retail business.
• Developed a web application for a healthcare company to manage patient records and appointments

• Created a mobile app for a retail business to enhance customer shopping experience

• Implemented features such as user authentication, data visualization, and real-time updates

• Utilized technologies like R
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Coding test regarding the tools and technologies

Q1. Asked about the connections
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Q2. Questions on coding
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Q1. Javascript basics, class and functional components, basic es6
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Q1. Promises, context api, redux and rest API
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