PowerSchool India Associate Software Engineer Interview Questions and Answers

Memory allocation is the process of assigning memory to programs during runtime.

• Memory allocation is done dynamically during runtime

• It involves allocating and deallocating memory as needed

• Common methods include malloc(), calloc(), and realloc()

• Memory leaks can occur if memory is not properly deallocated

• Memory allocation is important for efficient program execution

Garbage collector is a program that automatically frees up memory occupied by objects that are no longer in use.

• Garbage collector is used to prevent memory leaks and improve memory management.

• It automatically identifies and frees up memory occupied by objects that are no longer in use.

• Garbage collector is used in programming languages like Java, C#, and Python.

• It helps to reduce the burden of manual memory management on developers.

• Garbage collector can impact the performance ...read more

Yes, I can implement those in code.

• I have experience in coding and implementing various algorithms and data structures.

• I am proficient in programming languages such as Java, Python, and C++.

• I can provide examples of my previous coding projects upon request.

OOPs stands for Object-Oriented Programming. It is a programming paradigm based on the concept of objects.

• OOPs is based on the four main principles: Encapsulation, Inheritance, Polymorphism, and Abstraction.

• Encapsulation is the process of hiding the implementation details from the user.

• Inheritance is the process of creating new classes from existing classes.

• Polymorphism is the ability of an object to take on many forms.

• Abstraction is the process of hiding the unnecessary deta...read more

The main purposes of OOP are encapsulation, inheritance, and polymorphism.

• Encapsulation helps to hide the complexity of the code and protect data from outside access.

• Inheritance allows for the creation of new classes based on existing ones, reducing code duplication.

• Polymorphism enables objects to take on multiple forms and behave differently depending on the context.

• OOP promotes code reusability, modularity, and maintainability.

• Examples of OOP languages include Java, C++, an...read more