InvenTech Info Solutions Software Engineer Interview Questions and Answers

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. What is jdk, string related questions, basic java oops questions?
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Q1. OOP questions SQL Questions Programming structure
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Q1. SQL questions MVC and C# related questions
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Q1. DevOps tools related questions
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Q2. And python programming questions
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Q1. Introducing your self, and some basic technical questions.
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Q1. Basic core java questions like 1. Why object oriented? 2. Oops concept 3.diffrence between method overloading and overriding 4.static members 5.Occurance of a string 6.why immutable string is? 7.construc...read more
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Q2. Basic program in array
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Q1. 1. How to fetching data from html 2. Service about rest API 3. Difference between doget and dopost 4. Sql sub query 5. Collection question
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Q1. Basic question about company and role
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Such like blood relation questions, graph, alphabet and numeric values etc

Related to operators, oop concepts

Q1. Basic questions like introduce my self, expectation salary etc
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Q2. Oop concepts questions, SQL database query etc
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Q3. And any questions about our company
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Q4. 2 Coding questions Java, Python questions and machine learning
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Q1. What is data warehousing
Ans. 
Data warehousing is the process of collecting, storing, and managing data from various sources for analysis and reporting.
• Data warehousing involves extracting data from multiple sources

• Data is then transformed and loaded into a central repository

• The data can be used for analysis, reporting, and decision-making

• Examples include data warehouses used by businesses to analyze sales data
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And assessment as per your knowledge.
Focus on api and database
Also focus on jmeter
Also focus on dynatrace
Mobile app web testing

You have to prepared aptitude test