flutter oop 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

void main(){

var h=Human(10, 5, 8);

print(10);print(5);print(8);}

class Human{int? x,y,z;

Human(this.x,this.y,this.z){print(x);print(y);print(z);}}

class NewHuman extends Human{NewHuman(){print(10);}}

• error

• null

• 
• 
• 

void main(){var t = tt();}

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

class tt extends hh{}

what is the output?

• null

  10

• 10

• 10

  10

• null

• no output

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

class Car{String color='red';}

what is ob1 data type?

• Car

• var

• dynamic

• String

• none of these

class Car{String color='red';}

class CarObe extends Car{String color='blue';}

main() {

print(CarObe().color);

print(Car().color);

}

• red

  blue

• blue

  red

• blue

  null

• error

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