Marsman India Cranes 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
Ans. 
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
Ans. 
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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Q1. Very difficult and you help me confident levals improving
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Q2. Group discussion python basics
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Q3. Self introduction and than company information
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Q4. Coding level and skills
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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
Ans. 
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
Ans. 
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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Numbers, Percentage, Profit and loss, Average, Ratio and proportion, Time and Work, Time speed distance.

Q1. Questions from skills added in resume
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Q2. Object oriented programming concept
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Q3. Logic gates AND, OR, NOT
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Q4. Questions from basic mathematics.
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Q1. Background verification
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Coding from hacker rank

Q1. What is your weekness
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Q1. Tell me something about your self ?
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Q2. Explain software development life cycle each phase requirements,design, development, testing,?
Ans. 
Software development life cycle consists of requirements, design, development, and testing phases.
• Requirements phase involves gathering and analyzing user needs and defining system requirements.

• Design phase involves creating a detailed plan for the software system, including architecture, modules, and interfaces.

• Development phase involves writing code and implementing the design.

• Testing phase involves verifying that th...read more
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Verbal ability
Quant
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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