QuadB Full Stack Developer Interview Questions and Answers

Normal Aptitude Questions

Q1. Programming and last year project discussion
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Q1. Common Interview Questions, Tell me about yourself and all.
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I would to like give first aptitude test.

As per the rule of all IT company there also a coding round necessary.

Q1. Core java, i have a knowledge about core java
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Q2. What is java, why it is useful for us?
Ans. 
Java is a popular programming language known for its versatility and platform independence.
• Java is an object-oriented programming language used for developing a wide range of applications, from web and mobile apps to enterprise systems.

• It is platform-independent, meaning that Java code can run on any device that has a Java Virtual Machine (JVM) installed.

• Java is known for its security features, which help protect again...read more
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Q3. What is constructor? Without creating any object it will call or not?
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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.
• A constructor typically initializes the object's properties or performs any necessary setup.

• It is called automatically when an object is created using the 'new' keyword.

• Constructors do not get called without creating an object.
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Q4. What is abstract class in java?
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Abstract class in Java is a class that cannot be instantiated and may contain abstract methods.
• Cannot be instantiated directly

• May contain abstract methods that must be implemented by subclasses

• Can have both abstract and non-abstract methods

• Used for creating a template for other classes to extend
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Q5. What is inheritance in java?
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Inheritance in Java allows a class to inherit properties and behavior from another class.
• Inheritance is a mechanism in which a new class acquires the properties and behaviors of an existing class.

• The class that is inherited from is called the superclass or parent class, and the class that inherits is called the subclass or child class.

• Subclasses can override methods from the superclass to provide their own implementati...read more
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Because aprove skills

My knowledge are problem solving

It's better communication skills

They are working somewhere

Q1. Improve my knowledge
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Q2. Communication skills
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Q3. Technical skills
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Q4. Problem solving
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Q5. Simpley coding
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Q6. Project details
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Coding test was medium level of DSA

Q1. Technical question about medium level
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I know about basic of html ,css and js

I am a fresher candidate of btech .so, i have no experience

Q1. No idea about this
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PYTHON, JAVA, AWS, Operating System, Fundamental of Networking.

Full complete knowledge regarding the topics

Easy question were asked during test

2 dsa questions were asked here