OOP

Question 1

What is Julia designed to be?

Answer 1

An object-oriented programming (OOP) language

Question 2

Procedural vs OOP?

Answer 2

Procedural: writing list of instructions that tell the computer what to do

OOP: emphasizes objects and their relationships with each other using operators

Question 3

Examples of OOP languages other than Julia?

Answer 3

Python, Java, C++

Question 4

What is an object?

Answer 4

an abstract concept representing an entity on which computation is performed

objects have attributes and behaviors

Question 5

How does the type of an object affect its computation?

Answer 5

The type affects memory storage requirements and what can be done computationally.

Question 6

How can the type of an object be obtained?

Answer 6

The creation of an object requires declaration of its type.

Julia can assign type dynamically. The type can be obtained using the function “typeof()”

Question 7

How can we access the memory location of a Julian object?

Answer 7

the built-in function pointer_from_objref(x) where x is the reference to the object

Question 8

How can be find the size of memory in bytes in Julia?

Answer 8

sizeof(x) where x is the reference to the object