INNOVA AM TECH Interview Questions and Answers

Q1. It is about design and architecture
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Q1. Project management, delivery cycle
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Q1. What are your strengths and weaknesses?
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Q2. Why are you looking for a change?
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Q3. What are your salary expectations?
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Q4. What is your family background?
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Q5. Share details of your previous job.
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Q1. Basic Mainframe questions and some advanced scenario based questions
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Q1. The usual how,what,why MR round questions
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Q1. What are your salary expectations?
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Q2. Share details of your previous job.
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Q3. Why should we hire you?
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Q4. Why are you looking for a change?
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Q5. Tell me about yourself.
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Q6. Where do you see yourself in 5 years?
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Q1. Create Custom annotation
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Custom annotations can be created using @interface in Java.
• Create a new interface with @interface keyword

• Add required elements and default values

• Use the annotation by adding @ followed by the annotation name

• Example: @CustomAnnotation(value = "example")

• Annotations can be used for compile-time checks or runtime behavior
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Q2. Memory management in Java 8
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Java 8 uses automatic memory management through garbage collection.
• Java 8 uses a garbage collector to automatically manage memory.

• The garbage collector frees up memory by removing objects that are no longer in use.

• Java 8 introduced the G1 garbage collector which is designed to reduce pause times.

• Developers can also use tools like jmap and jstat to monitor memory usage.
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Q3. What algo Java 8 Garbage collector follow
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Java 8 Garbage collector follows the algorithm called G1 (Garbage-First).
• G1 divides the heap into regions and collects garbage in small portions called 'garbage-first' regions.

• It uses multiple parallel threads for garbage collection.

• G1 aims to minimize pause times by dynamically adjusting the amount of garbage collected in each region.

• It uses a combination of young and old generation collection to achieve better perfor...read more
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Q4. @retension annotation
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Q5. Java Design Patterns
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Q6. What is SOLID Principal? and Explain L into it?
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SOLID is a set of principles for object-oriented programming. L stands for Liskov Substitution Principle.
• SOLID principles help in creating maintainable and scalable software.

• Liskov Substitution Principle states that objects of a superclass should be replaceable with objects of its subclasses without affecting the correctness of the program.

• This principle ensures that the behavior of the program remains consistent even ...read more
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Q1. Questions were on - C++11 - Data Structures - Multithreading - Virtual Functions
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Q2. 1 Coding question on vector and array
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Q1. Core java questions related to collections, exceptions. SAGA design pattern, Adapter design pattern, proxy design pattern, Transational in MS
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Q1. Technical round will be based on your skill set
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Design currency exchange service

Q1. Manager round and it is also can be technical round
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General aptitude test

Q1. Second round was technical round
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Q1. In this round some coding questions and logical questions was asked
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