1. Abstraction Vs Interface 2. Sealed class 3. why do we use a private constructor 4. Types of constructor 5. Encapsulation 6. Polymorphism 7. Virtual override keywords 8. CTE Table 9. Joins, Index, a procedure in MySQL

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Technical interview questions for a Software Engineer I position

Abstraction is the process of hiding implementation details while interface defines a contract for the behavior of a class
Sealed class is a class that cannot be inherited
Private constructor is used to prevent the creation of instances of a class from outside the class
Types of constructor include default, parameterized, copy, and static
Encapsulation is the process of hiding implementation details and providing access to data through methods
Polymorphism is the ability of an object to take on many forms
Virtual and override keywords are used in inheritance to override a method in a base class
CTE table is a temporary result set that is defined within the execution of a single SQL statement
Joins are used to combine data from two or more tables based on a related column, indexes are used to improve query performance, and procedures are used to group SQL statements into a reusable block of code

1. Abstraction Vs Interface 2. Sealed class 3. why do we use a private constructor 4. Types of constructor 5. Encapsulation 6. Polymorphism 7. Virtual override keywords 8. CTE Table 9. Joins, Index, a procedure in MySQL

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