Tavant Technologies Software Developer Interview Questions and Answers

Q1. Difference between 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 constructors, fields, and methods, while interface cannot have any implementation.

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

• Abstract classes are used to define a common behavior for subclasses, while interfaces are used to define a contract f...read more
Answered by AI
Add your answer
Q2. Tell about abstraction and encapsulation
Ans. 
Abstraction focuses on hiding the implementation details while encapsulation bundles the data and methods into a single unit.
• Abstraction allows us to focus on the essential features of an object while hiding the irrelevant details.

• Encapsulation helps in bundling the data and methods that operate on the data into a single unit.

• Abstraction is achieved through abstract classes and interfaces in object-oriented programming...read more
Answered by AI
Add your answer
Q3. Sql query (db design)
Add your answer
Q4. Angular(directives, pipes, routing)
Add your answer

General aptitude and 2 codes.

Q1. Project and 3-4 coding question
Add your answer

Q1. Your details and your salary discussion
Add your answer

Q1. Difference between 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 implementation.

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

• Abstract classes are used to define a common behavior for subclasses, while interfaces are used to define a contract fo...read more
Answered by AI
Add your answer