Which of the following is a valid data type in Dart?

Which keyword is used to declare a constant value known at compile time?

Which operator is used for string interpolation?

Which collection type does NOT allow duplicate values?

What does the `.length` property return for a String?

Which object represents a point in time?

Which operator checks if two objects are identical in memory?

Which method converts a String to an int?

Which keyword is used to create a class?

Which access modifier makes a member private in Dart?

Which loop is guaranteed to run at least once?

Which is used to define optional named parameters?

Which function type returns nothing?

Which keyword is used to handle exceptions?

Which of the following is NOT a type test operator?

What is the super keyword used for?

Which of the following creates an anonymous function?

What does the “mixins” feature allow?

Which method is used with iterators?

Which constructor cannot be instantiated?

Which keyword marks a variable that will be initialized later?

Which collection stores key/value pairs?

Which operator performs null-aware assignment?

Which type of inheritance is NOT supported in Dart?

Which keyword is used to import another file?

Which parameter type has no default value?

Which operator is used for integer division?

Which keyword creates a named constructor?

Which method executes when calling a callable class?

What does the “final” keyword mean?

Which of these is a built-in type?

Which statement stops the current loop?

Which exception is thrown for division by zero?

Which feature ensures variables can’t hold null unless allowed?

Which map constructor keeps insertion order?

Which is true about mixins?

Which operator is unary?

Which method is used to add an element to a list?

Which operator is used for type conversion casting?

Which loop works with collections directly?

What is the purpose of the assert statement?

Which statement is used to define a typedef?

Which keyword creates a static member?

Which operator returns true if both operands are true?

Which collection allows sorted keys automatically?

If both operands are true?

Which collection allows sorted keys automatically?

What does a factory constructor allow?

Which class cannot be instantiated?

What does “override” do?

Which operator checks if value is null?

Dart is a statically typed language.

In Dart, every class implicitly defines an interface.

The "var" keyword means the type cannot change after assignment.

A const variable must be known at runtime.

Set allows duplicate elements.

The “late” keyword prevents null errors by delaying initialization.

A class can extend multiple classes in Dart.

Optional named parameters are written inside {} brackets.

The default constructor has no parameters.

An abstract class may contain non-abstract methods.

The "on" keyword can catch specific exception types.

Mixins can define constructors.

A factory constructor must always return a new object.

The call() method makes classes callable.

The try–catch block can have multiple catch statements.

The spread operator (…) is used with collections.

Dart supports top-level functions.

Static variables belong to the class, not the object.

Null safety allows non-nullable variables to be null.

Interfaces in Dart use the “interface” keyword.

Which statement is used to define a record?

Which operator checks type at runtime?

What is the return type of runes?

Which function is used with regex?

Which list constructor creates a fixed-length list?

Which keyword prevents variable reassignment?

Which map type sorts keys automatically?

Which class handles durations?

Which operator assigns a value only if target is null?

What does the keyword “required” apply to?

Which access type are top-level variables by default?

Which statement copies values using cascade operator?

Which of the following is a relational operator?

Which looping method is used with iterators?

Which error type occurs when accessing null value?

Which method adds key/value to a map?

Which operator is used in conditional expressions?

A callable class must contain which method?

Which reserved word creates inheritance?

Which keyword implements an interface?

Which collection maintains insertion order?

Which type is supertype for int and double?

Which method checks if a list is empty?

Which statement imports only a specific part of a library?

Which method converts a double to int?