Flutter intro and Dart quiz

What is a variable in Dart?

• A place to store a value

• A type of function

• A type of class

• A reserved keyword

How do you declare a variable in Dart?

• variable variableName;

• declare variableName;

• var variableName;

• let variableName;

Which of the following is NOT a built-in data type in Dart?

• int

• float

• String

• bool

How do you define a list in Dart?

• Array myList = [1, 2, 3];

• Set myList = {1, 2, 3};

• List<int> list = [1,2,3];

• None of these

How do you define a function in Dart that returns an integer?

• void myFunction() { return 10; }

• int myFunction() { return 10; }

• function myFunction() { return 10; }

• return myFunction() { 10; }

What is the purpose of the 'void' keyword in a function definition?

• To specify the function returns an integer

• To declare a variable

• To indicate the function does not return a value

• To create a loop

Which of the following is the correct way to call a function named calculateSum that takes two integer parameters?

• calculateSum(5, 10);

• calculateSum = (5, 10);

• calculateSum(5 10);

• calculateSum[5, 10];

What is the correct syntax for an if statement in Dart?

• if condition {

  // code

  }

• if (condition) {
  // code

  }

• if: condition { // code }

• None of these

What is the output of the following code?

• Greater than 5

• Less than or equal to 5

• Error

• None of the above

Which of the following is a valid for loop syntax in Dart?

• for i in 1..10 { // code }

• for (var i = 0; i < 10; i++) { // code }

• foreach (var i in 10) { // code }

• loop (var i = 0 to 10) { // code }