CPD Week 2

Which of the following is not an object-oriented programming concept?

• Inheritance

• Encapsulation

• Polymorphism

• Normalization

Answer explanation

Four OOP concepts are;

Abstraction,

Inheritance,

Encapsulation,

Polymorphism

Which of the following keyword/keywords are used for declaring variables in the global scope?

• var

• let

• const

• int

Answer explanation

what is displayed in the console?

• Sum has been calculated: 15

• Only three elements or less are allowed

• Promise()

• Sum has been calculated: 12

• NAN

• false

• true

• will show a syntax error

Which of the following control structures are not supported by javascript?

• for loop

• do while loop

• while do loop

• switch case

• if else