Category: Dart
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How the class extends in Flutter
When we inherit a class, we can also specify new behaviour for existing methods.
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Flutter Structure for Beginner
Concepts of Dart Class influence the Flutter Structure. How it works? Let us learn.
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How to use Dart and Flutter Class
The Class is the Type of an Object. As a result, when we check the Type of an Object, we get the name of the Class.
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What is Class in Dart
A Class defines the Type of an Object. Moreover, we can create as many Objects as we can.
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What are top level functions in Dart
When a “function” sits on the top of Class, Object, or Interface, we call it the top-level function.
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What are parameters in Dart
The positional parameters in Dart can either be named, or optional. But cannot be both at the same time.
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What is Dart and Flutter function
There are four functions in Dart and Flutter. And every function is an Object.
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Does Flutter require Dart
The Flutter-Framework needs to implement the important concepts in Dart.
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What are important concepts in Dart
In dart everything is Object. What does that mean actually? Let’s learn the important concepts.
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What are Conditional Expressions in Dart
Dart has three special operators that check the Conditional Expressions. It is a short-form of if-else statement.
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What is assignment operator
The assignment operator is of two types. Simple and Compound.
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What are Logical Operators
Logical operators either can combine two Boolean expressions or invert any Boolean expression.
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Equality and relational operators
The operator does not only check the “Equality” it also expresses the “Relation” between two Objects.
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Arithmetic Operators in Dart
Using Arithmetic Operators is easy in Dart. But we need to know the special operators also.
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What is Dart Map?
In the Dart, the Map literals came first, the literal “{ }” is a default to the Map type.
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What is the List in Dart?
The List or Lists in Dart means an “ordered-group-of-objects” where index starts at 0.
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What are String values in Dart and Flutter
The Unicode support makes Dart powerful. Mobile and web applications in any language is possible.
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What is a Boolean in Dart and Flutter
The Boolean literals ‘true’ and ‘false’ have type ‘bool’. They are compiled time constants.
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Introduction to Dart Core Libraries
The Dart core libraries provide essentials for tackling everyday programming tasks.
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Difference between final and constant
In the similar vein, the keywords “final” and “const” both obstruct to modify value.
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How to implement types in Flutter
In Flutter we use Dart built in types all the time. A few types are used more often than other.