Quiz 2 6/8/2025

Which of the following best describes a function in Dart?

• a) A variable that stores a string

• b) A loop used for iteration

• c) A block of code that performs a specific task

• d) A built-in data type in Dart

In Dart, what are 10 and 20 called in the following function call?
add(10, 20);

• a) Parameters

• b) Arguments

• c) Variables

• d) Return values

What is the syntax of an anonymous function in Dart?

• a) function() => {}

• b) function() => expression;

• c ) () { /* code */ }

• d) { function() }

What will happen if you pass positional parameters in the wrong order in Dart?

• a) It may produce wrong results

• b) It gives a syntax error

• c) Dart automatically reorders them

• d) The program crashes

What is the purpose of the super keyword in Dart?

• a) To initialize default values

• b) To create a new instance of a class

• c) To access properties and methods of a parent class
  

• d) To define private methods

What type of inheritance is NOT supported in Dart?

• a) Multiple Inheritance

• b) Multilevel Inheritance

• c) Hierarchical Inheritance

• d) Single Inheritance

6. Which of the following is TRUE about constructors in Dart?
   

• 6. a) Constructor names must be different from class names

• 6. b) Constructors return a string by default

• 6. c) Dart does not support constructors

• 6. d) Constructors are automatically called when an object is created

Which of the following best defines polymorphism in Dart?

• a) Using the same variable across different programs

• b) The ability of an object to take on many forms

• c) Assigning multiple values to a single variable

• d) The ability to write multiple main() methods

What widget acts as the base layout structure in most Flutter apps?

• a) Scaffold

• b) Text

• c) Column

• d) MaterialApp

What kind of UI design systems does Flutter support?

• a) WPF and Electron

• b) HTML5 & Bootstrap

• c) Material Design and Cupertino

• d) Windows Forms & GTK