flutter oop part1 quiz

void main(){

var x= hh();print(9);var y =hh.fromy();}

class hh{hh(){print(10);}

hh.fromy(){print(11);}}

what is the output?

• 10

  9

  11

• 9

  10

  10

• 11

  11

  11

• 9

  11

  11

• 
• 
• 

can the class have a function of its name?

• false

• true

main(){var ob1=Car().color;}

class Car{String color='red';}

what is ob1 data type?

• Car

• var

• dynamic

• String

• none of these

class Home{}

main() {

var x=Home();var y=Home();

print(identical(x, y));

}

what is the output?

• true

• false

• error

class Home{Home();}

main() {

var x=Home();var y=Home();

print(identical(x, y));

}

what is the output?

• true

• false

• error

class Home{ Home();}

main() {

var x=const Home();var y=const Home();

print(identical(x, y));

}

what is the output?

• true

• false

• error

class Home{const Home();}

main() {

var x=const Home();var y=const Home();

print(identical(x, y));

}

what is the output?

• true

• false

• error

extension on int{

String makeString()=>toString();}

main() {

int y=30;

print(y.makeString().runtimeType);}

what is the output?

• int

• string

which of the following is not oop concopet?

• Encapsulation

• inherentiance

• polymorphism

• exception