Neilsoft Senior Software Engineer Interview Questions and Answers

Q1. What is difference between the abstract class and interface
Ans. 
Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.
• Abstract class can have constructor, fields, and methods, while interface cannot have any of these.

• A class can implement multiple interfaces but can only inherit from one abstract class.

• Abstract classes are used to provide a common base for multiple classes, while interfaces define a contract that implementing
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Q1. What design pattern used in angular
Ans. 
The design pattern commonly used in Angular is the Observer pattern.
• The Observer pattern is used to establish a one-to-many dependency between objects.

• In Angular, Observables are used to implement the Observer pattern for handling asynchronous data streams.

• Components in Angular often use Observables to subscribe to changes and react accordingly.
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Q1. Guy guy hhn hhh ghh
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Q2. You thik fryi very ghjn
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Q3. Thbyuh Bhuj set bjk
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Q4. Hiii Vadgaon bhi set njk
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Q1. Telle about yourself
Ans. 
I am a passionate software developer with experience in Java, Python, and web development.
• Experienced in Java, Python, and web development technologies

• Strong problem-solving skills

• Familiar with Agile methodologies

• Worked on projects involving database management systems

• Continuous learner and always looking to improve
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Q2. Deep knowledge in node js
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Q1. Just basics in java
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Q2. Advance oops concepts
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Q1. What do u know about our company
Ans. 
Company is a leading software development firm specializing in creating innovative solutions for various industries.
• Specializes in creating innovative software solutions

• Works with clients from various industries

• Known for high-quality and reliable products
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Q2. Strengths and waekness
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Q1. List, tuple Decorators
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Q2. What is the process for removing duplicates from a list?
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Basic level of Q asked based on math ,english and programming

Easy to medium level 7 Q asked and minimum 4 is compulsory for crack next round

Q1. It was like personal interview asked about familiy background and all
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Q1. What is stack overloading?
Ans. 
Stack overloading occurs when the stack memory is exceeded due to excessive function calls or large local variables.
• Occurs when the stack memory limit is exceeded

• Caused by excessive function calls or large local variables

• Can lead to stack overflow error
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Q2. What are acsess specifiers
Ans. 
Access specifiers determine the level of access to classes, methods, and variables in object-oriented programming languages.
• Access specifiers include public, private, protected, and default.

• Public allows access from any other class.

• Private restricts access to only within the same class.

• Protected allows access within the same package and subclasses.

• Default (no specifier) restricts access to only within the same package.
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Q3. What is class and object
Ans. 
A class is a blueprint for creating objects, while an object is an instance of a class.
• A class defines the properties and behaviors of objects.

• An object is a specific instance of a class.

• Objects can have their own unique values for properties defined in the class.

• Classes can be used to create multiple objects with similar characteristics.

• Example: Class 'Car' defines properties like 'color' and 'model', while an object
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Q4. Expalin oops concepts?
Ans. 
OOPs concepts are fundamental principles of object-oriented programming, including inheritance, encapsulation, polymorphism, and abstraction.
• 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 imple...read more
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Q1. What is java script
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Q2. What is HTML and why we use it?
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Diploma in computer science