Carelon Global Solutions Associate Software Developer Interview Questions, Process, and Tips

Q1. Walk me through your resume.
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Q2. I had done some NGO work. They asked me about my work and experience there.
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Q3. They asked some questions from SQL too. How many types of joins are there in MySql and write down two queries demonstrating each join.
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Q1. Questions based on resume Oop concepts Dbms
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Q2. What is Abstraction?
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Abstraction is the concept of hiding complex details and showing only the essential features of an object or system.
• Abstraction allows us to focus on what an object does instead of how it does it

• It helps in reducing complexity and improving efficiency

• For example, in programming, abstract classes and interfaces are used to achieve abstraction
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Q3. What is polymorphism
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Polymorphism is the ability of a function or method to behave differently based on the object it is acting upon.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• There are two types of polymorphism: compile-time (method overloading) and runtime (method overriding).

• Example: Inheritance allows a child class to override a method of its parent class, providing different functi
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Q4. Diff between polymorphism abstraction
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Polymorphism allows objects of different classes to be treated as objects of a common superclass. Abstraction hides the implementation details and only shows the necessary features of an object.
• Polymorphism enables a single interface to be used for different data types or classes. For example, a superclass Animal can have subclasses like Dog and Cat, and a method speak() can be called on any object of Animal type.

• Abstr...read more
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Q5. Real world example for oop
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Real world example of OOP is modeling a car as an object with properties and methods.
• Objects represent real-world entities

• Classes define the blueprint for objects

• Encapsulation hides internal implementation details

• Inheritance allows for code reuse

• Polymorphism enables objects to take on multiple forms
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