Flutter Q1.2

var a = 9;

var b = 5;

print(a>b);

what is the output of this code?

• true

• error

• false

• a>b

print('6>7');

what is the output?

• true

• false

• 6>7

• null

Fill in the missing parentheses to have x equal 15.

int x =_2 + 3_* 3

• {....}

• <....>

• |....|

• (...)

which one print 10?

• int num =9;

  print ("the number is $num + 1");

• int num =9;

  print ("the number is ${num + 1}");

• int num =9;

  print ("the number is num +1");

• int num =9;

  print ("the number is " + (num +1));

var a ="4";

var b ="2";

print(a+b);

what is the output of this code?

• error

• null

• 42

• 6

Dart is an open source programming language developed by ......?

• microsoft

• google

• orcale

Vs Code is .....?

• ide

• Framework

• Programming language

Semicolons are .....?

• Required

• Optional

if you initialize a variable as var,once assigned type cannot change?

• true

• false

num x=18.0;

what is the data type of the variable x;

• num

• double

• float

• int