Innova Solutions Software Engineer Trainee Interview Questions and Answers

Q1. Oops concepts to be known
Ans. 
Understanding of OOP concepts is essential for software development.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

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

• Abstraction: Hiding the complex implementation details and showing only the necessary features.
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Q2. What is inheritance
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Inheritance is a concept in object-oriented programming where a class inherits attributes and methods from another class.
• Allows a class to inherit attributes and methods from another class

• Promotes code reusability and reduces redundancy

• Creates a parent-child relationship between classes

• Derived class can access all public and protected members of the base class

• Example: Class 'Car' can inherit from class 'Vehicle' to reu
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Q3. Abstraction use to be explained
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Abstraction is the concept of hiding complex details and showing only the essential features of an object.
• Abstraction allows us to focus on what an object does, rather than how it does it

• It helps in reducing complexity and improving efficiency

• Example: A car dashboard abstracts the internal workings of the car and provides only essential information to the driver
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Marry plans or not for yourself

Q1. Do you know any programming in java
Ans. 
Yes, I have experience in programming in Java.
• I have worked on projects using Java programming language

• Familiar with object-oriented programming concepts in Java

• Experience in developing applications using Java frameworks like Spring
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Q2. Explan constructor
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A constructor is a special method in a class that is automatically called when an object of that class is created.
• Constructors have the same name as the class they belong to

• Constructors can be used to initialize object properties

• Constructors can have parameters to customize object initialization
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Q3. What is software testing
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Software testing is the process of evaluating a software application to ensure it meets specified requirements and functions correctly.
• Software testing involves executing the software with the intent of finding bugs or errors.

• It helps in identifying defects or issues in the software before it is released to the end users.

• Types of software testing include unit testing, integration testing, system testing, and acceptance...read more
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Q4. Joins ,DDl,DML,DTL,DCL,DQL
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Q5. What are you specialin
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Learn aptitude thoroughly

Focus on strings and arrays

Q1. Learn basic hr questions
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Questions in flow charts and their outputs

Q1. Related to project and internship and some questions on c.
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Q1. Location discussion and shifts and leaves discussion
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It's on campus recruitment drive so first round is aptitude round all about basic formulas of aptitude(60),consist of verbal and aptitude and reasoning.you can crack easily if ur good at basics.That's about first round.It includes next round as game based asssesment different types games (4)are there one by one you have to play with in time .

Q1. After completing communication test final round included both technical and hr asked some aptitude questions,about basics of programming languages that you known .Asked to talk about particular topic and f...read more
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Q2. What you mean by call by value and reference ,funtions.
Ans. 
Call by value and reference are two ways of passing arguments to functions.
• Call by value passes a copy of the argument's value to the function.

• Call by reference passes a reference to the argument's memory location to the function.

• Functions that use call by value cannot modify the original value of the argument.

• Functions that use call by reference can modify the original value of the argument.

• In some programming languag...read more
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Verbal ability
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Reasoning

Q1. Difference between c and java
Ans. 
C is a procedural language with manual memory management, while Java is an object-oriented language with automatic memory management.
• C is a procedural language, while Java is an object-oriented language

• C requires manual memory management, while Java has automatic memory management (garbage collection)

• C is platform-dependent, while Java is platform-independent (write once, run anywhere)

• C supports pointers, while Java do
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Q2. Difference between constructor overloading and constructor overriding
Ans. 
Constructor overloading is having multiple constructors in a class with different parameters, while constructor overriding is redefining a superclass constructor in a subclass.
• Constructor overloading allows a class to have multiple constructors with different parameters.

• Constructor overriding involves redefining a superclass constructor in a subclass with the same name and parameters.

• Example of constructor overloading:...read more
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Q1. Strength and weakness
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Q2. Role model and salary
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