Quiz1-05/08/2025

What programming language does Flutter use?

• A. Java
  
  
  

• B. Dart

• C. Kotlin

• D. Swift

What is the correct syntax to define the main function in Dart?

• A) void main[] {}
  
  

• B) main() void {}

• C) void main() {}

• D) function main() {}

What was Flutter initially called?

• A. Hummingbird
  
  
  
  

• B. Sky Engine

• C. Dart UI

• D. Jetpack Compose

Which company developed Flutter?

• A. Microsoft

• B. Apple

• C. Facebook

• D. Google

What does “Hot Reload” do?

• A. Deletes cache

• B. Restarts emulator

• C. Applies code changes instantly

• D. Reinstalls Flutter

Which of the following is a valid Dart variable declaration?

• A) int = num1 2;

• B) int num1 = 2;

• C) num1 int = 2;

• D) 2 = int num1;

What is the default behavior of a List created with List.filled(length, fill) in Dart?

• A) The list is growable

• B) The list has a fixed size

• C) It initializes with null values

• D) It contains only strings

Which of the following is used to create a growable list in Dart?

• A List<int> nums = List();e

• B. List = list(int growable)

• C. List grow = new GrowList();

• D. List<String> items = [];

What is the primary purpose of lib folder in Flutter?

• A. Stores plugins

• B. Stores compiled files

• C. Contains app source code

• D. Contains emulator configs

What is a widget in Flutter?

• A. A UI tool

• B. An IDE plugin

• C. A Dart compiler

• D. A mobile emulator