TodoApp1

What is the purpose of SingleChildScrollView in Flutter?

• To create a horizontal layout

• To scroll multiple widgets simultaneously

• To allow a single widget to scroll when it overflows

• To scroll rows and columns together

In a Row, what does mainAxisAlignment control?

• Vertical alignment

• Horizontal alignment of children

• Padding

• Scroll direction

What happens if crossAxisAlignment is set to CrossAxisAlignment.start in a Row?

• Widgets align to the right

• Widgets align to the top

• Widgets align to the bottom

• Widgets align to the left

What does the following code print? List names = ['Alex', 'Brian']; names.add('Cathy'); print(names);

• [Alex, Brian, Cathy]

• [Cathy, Brian, Alex]

• [Alex, Cathy]

• ['Alex', 'Brian', 'Cathy']

What will this code output? List nums = [1, 2, 3, 4]; nums.remove(2); print(nums);

• [1, 3, 4]

• [1, 2, 3, 4]

• [1, 2, 3]

• [1, 3, 4, 2]

What does the removeWhere() method do?

• Removes items by index

• Removes items randomly

• Removes all elements that satisfy a condition

• Removes duplicates from a list

How do you declare a Map with String keys and int values?

• Map<String, int> scores = {};

• Map<int, String> scores = {};

• var scores = new List();

• Map scores={};

What will this code output? Map marks = {'Math': 90, 'Science': 80}; print(marks['Math']);

• 80

• null

• 90

• 'Math'