Dart 2

Question 1

What are state and behavior in Dart?

Answer 1

The variable represents the state of the class I mean the value the object have in specified time, and the function represents the behavior of the class I mean the actions the object can do to manipulate the state

Question 2

What they call the variables inside the class?

Answer 2

properties

Question 3

What they call functions declared inside the class?

Answer 3

methouds

Question 4

featurs of POO?

Answer 4

1. object
2. class
3. inheritance
4. encapsulation
5. polymorphism
6. abstraction

Question 5

What the operater tell is you if the object iherite from another class ?

Answer 5

the operater ‘is’

Question 6

how to make the variables privet ?

Answer 6

you put “_” before the variable

Question 7

How to use the privat variables ?

Answer 7

import the class
or
getters and setters

Question 8

How to declare a getter ?

Answer 8

String get name() => _name;
You dont need to call the function you just put the object.name

Question 9

Why do we put {} in the constructor?

Answer 9

to make the parameters unnecessary to put in the order in which they were declared

Question 10

What is a static variable?

Answer 10

they are shared with all the instanse of the class

Question 10

What is a static method?

Answer 10

they can be called with only the name of the class you don’t need to create an object

Question 11

What is Mixin?

Answer 11

Mixing includes some classes in one class, which helps us to achieve multiple inheritance