MindNerves Technology Services Interview Questions and Answers for Experienced

Q1. Four Pillars of OOPS in Java?
Ans. 
Encapsulation, Inheritance, Polymorphism, Abstraction are the four pillars of OOPS in Java.
• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Inheritance: Allows a class to inherit properties and behavior from another class.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the implementation details and showing only the necessary features.
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Q2. What is a constructor in Java?
Ans. 
A constructor in Java is a special type of method that is used to initialize objects.
• Constructors have the same name as the class they are in.

• They do not have a return type, not even void.

• Constructors are called when an object of a class is created.

• Example: public class Car { public Car() { // constructor code } }
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Q1. Debugging Techniques, Types of Logs
Ans. 
Debugging techniques involve using logs to identify and fix issues in code.
• Types of logs include console logs, file logs, event logs, and trace logs.

• Debugging techniques include using breakpoints, stepping through code, and analyzing error messages.

• Logging frameworks like log4net and NLog can be used to generate logs for debugging purposes.
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Q2. Aptitude type questions
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Q3. Basic sql queries, sql injection
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Q4. Sessions and cookies
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Q1. Linked list question to detect cycle
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Q2. Basic questions from JS
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Q1. Some questions related to my projects
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Q2. Some Questions related to my past experience
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Question was based on string . Reverse the string and count numbers and special characters

Q1. Salary expectations
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Q2. General relocation
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Two written coding questions

Q1. JavaScript basic questions such as Functions
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Q2. React question such as hooks ,react life cycle
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Q1. Tell me about yourself?
Ans. 
I am a dedicated and detail-oriented business analyst with a strong background in data analysis and problem-solving.
• I have a Bachelor's degree in Business Administration

• I have experience in conducting market research and analyzing data to identify trends

• I am proficient in using tools like Excel, SQL, and Tableau for data analysis

• I have excellent communication skills and can effectively collaborate with cross-functional
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Q2. Some questions on project
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Q1. ATG Endeca Spring boot microservices
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Q1. Java Oracle Commerce ATG AWS Kafka kubernate
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Q2. Microservices Oracle Commerce AWS Mongo DB
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Test scenarios, regression sanity and integration testing