Nomura Holdings Quality Analyst Interview Questions and Answers

Q1. OOPS Concepts of Java
Ans. 
OOPS Concepts of Java include Inheritance, Polymorphism, Encapsulation, and Abstraction.
• Inheritance allows a class to inherit properties and behavior from another class.

• Polymorphism allows objects to be treated as instances of their parent class.

• Encapsulation hides the internal state of an object and only allows access through methods.

• Abstraction focuses on the essential qualities of an object rather than specific deta
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Q2. Collections Hierarchy in Java
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Collections hierarchy in Java includes interfaces like List, Set, Map and their implementations like ArrayList, HashSet, HashMap.
• Java collections framework provides interfaces like List, Set, Map

• List interface allows duplicate elements and maintains insertion order, examples are ArrayList, LinkedList

• Set interface does not allow duplicate elements, examples are HashSet, TreeSet

• Map interface stores key-value pairs, examp
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It was a quite good exp and i clerd that round and i got an offer in those in that company company company company company

Q1. First round was self intro
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Q2. Coding questiond
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Q1. Salary exp and high
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Q2. Salary exp in high
Ans. 
I have experience with high salary expectations.
• I have experience negotiating high salaries based on my skills and experience.

• I have successfully secured high salary offers in previous roles.

• I am confident in my ability to justify and negotiate for a high salary based on market rates and my qualifications.
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Q1. CompletableFuture VS Future
Ans. 
CompletableFuture is an enhanced version of Future in Java that provides more flexibility and functionality.
• CompletableFuture is part of the Java 8 concurrency framework.

• It allows chaining of multiple asynchronous operations.

• CompletableFuture can be explicitly completed or cancelled.

• It supports callbacks and combinators for handling completion.

• Future is a basic interface for representing the result of an asynchronous c...read more
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Q2. ConcurrentHashmap
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Q3. Composition Vs inheritance
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Composition is a design principle where objects are composed of other objects, while inheritance is a mechanism where objects inherit properties and behaviors from a parent object.
• Composition promotes code reusability and flexibility by allowing objects to be composed of other objects.

• Inheritance allows objects to inherit properties and behaviors from a parent object, promoting code reuse.

• Composition is more flexible t...read more
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Q4. Spring boot, microservices, Design patterns
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Q1. Parallel Calls in java
Ans. 
Parallel calls in Java allow multiple tasks to be executed simultaneously, improving performance.
• Parallel calls can be achieved using threads or the Executor framework.

• Threads allow concurrent execution of tasks, but require manual management of synchronization and resource sharing.

• The Executor framework provides higher-level abstractions for managing parallel tasks, such as thread pools and task scheduling.

• Example: us...read more
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Q2. Lock Vs Sync Block
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Lock and Sync Block are mechanisms used for thread synchronization in multi-threaded programming.
• Lock is a low-level synchronization mechanism that provides exclusive access to a shared resource.

• Sync Block is a higher-level synchronization mechanism that allows multiple threads to access a shared resource concurrently.

• Lock is more flexible and can be used in various scenarios, but it requires explicit acquisition and r...read more
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Q3. Hsshmap internal working , Checked Exception
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Q1. How long u worked in privacy company
Ans. 
I have worked in a privacy company for 3 years.
• I have 3 years of experience working in a privacy company

• During my time at the privacy company, I have gained expertise in data protection regulations

• I have successfully implemented privacy policies and procedures to ensure compliance
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Q2. Tell ur experience in privacy company
Ans. 
I have 3 years of experience working in a privacy company specializing in data protection and compliance.
• Implemented privacy policies and procedures to ensure compliance with data protection regulations

• Conducted privacy impact assessments to identify and mitigate privacy risks

• Provided training to employees on data protection best practices

• Responded to data subject access requests and managed data breach incidents
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Q3. Ask about what is meant by an insurnce
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Q1. Asked about y u want to leave in privacy company
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Q2. Self introduction
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Phycometric test in round 1