eG Innovations Java Developer Interview Questions and Answers for Experienced

Very easy roundand is it a program to implement Parallel Merge Sort and can measure the performance

Coding and decoding reasoning for the shield season is over now I am not sure

Q1. What are oops concepts in java, explain real time scenario
Ans. 
OOPs concepts in Java include inheritance, polymorphism, encapsulation, and abstraction.
• Inheritance allows a subclass to inherit properties and methods from a superclass.

• Polymorphism allows objects to take on multiple forms and behave differently based on their context.

• Encapsulation hides the implementation details of an object and only exposes necessary information.

• Abstraction allows for the creation of abstract class...read more
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Q2. Uses of interface, inheritance
Ans. 
Interfaces define contracts for behavior, while inheritance allows for code reuse and polymorphism.
• Interfaces allow for loose coupling and abstraction, enabling multiple implementations of the same behavior.

• Inheritance allows for code reuse and extension of existing classes, reducing code duplication.

• Polymorphism allows objects of different classes to be treated as if they were of the same class, simplifying code and i
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Q3. SQL query for join of tables
Ans. 
SQL query for joining tables
• Use JOIN keyword to combine two or more tables based on a related column

• Specify the columns to be selected using SELECT keyword

• Use ON keyword to specify the condition for joining the tables

• Different types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL OUTER JOIN
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Q4. Java concepts used in your project
Ans. 
Used Java concepts such as inheritance, polymorphism, and exception handling in my project.
• Implemented inheritance to create a base class and derived classes with specific functionalities.

• Utilized polymorphism to allow objects of different classes to be treated as if they were of the same class.

• Implemented exception handling to handle errors and prevent program crashes.

• Used interfaces to define a set of methods that a ...read more
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Q5. Overloading vs overriding, practical uses
Ans. 
Overloading is having multiple methods with the same name but different parameters. Overriding is having a method in a subclass with the same name and parameters as a method in the superclass.
• Overloading is used to provide different ways to call a method with different parameters

• Overriding is used to provide a specific implementation of a method in a subclass

• Overloading is resolved at compile-time while overriding is r...read more
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Love Marriage vs Arrange Marriage

Related to check the background verification

Q1. Where do you see the company in five years?
Ans. 
In five years, I envision the company as a leader in innovation, expanding its market reach and enhancing customer satisfaction.
• Increased market share through strategic partnerships and collaborations.

• Introduction of cutting-edge products that address emerging customer needs, like AI-driven solutions.

• Enhanced customer engagement through personalized services and improved user experience.

• A strong commitment to sustainab...read more
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Q2. Can you provide your introduction?
Ans. 
I am a dedicated professional with a background in finance and a passion for data analysis and problem-solving.
• Education: Bachelor's degree in Finance from XYZ University.

• Experience: 2 years as a financial analyst at ABC Corp, where I improved reporting efficiency by 30%.

• Skills: Proficient in Excel, SQL, and data visualization tools like Tableau.

• Interests: Enjoy analyzing market trends and developing strategic financia
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Logical reasoning and Aptitude

Functions with Pointers and strings concepts

Q1. Mainly on Pointers and Dynamic Memory Allocation of 2-D Array
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Q2. Structure Padding and Packing
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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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Q1. Map reduce filter in javascript
Ans. 
Map, reduce, and filter are higher-order functions in JavaScript used to manipulate arrays.
• Map: Transforms each element in an array and returns a new array with the transformed elements.

• Reduce: Reduces an array to a single value by applying a function to each element.

• Filter: Creates a new array with elements that pass a certain condition.
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Q2. Exception handling
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Conducted on Online platform of company
Consisting of aptitude debugging and psuedo codes

Pen and paper round
Consisting of simple output

Q1. It tested aptitude the question was a simple matching the columns of a product delivery process
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Q1. Was both a technical and HRDidn't make it to HR round but it consisted of easy questions only.
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