In Dart, a variables must be declared before they are used. Variables are declared using the var keyword followed by variable name that you want to declare . Dart is a type inferred language, which allows compiler automatically infer(know) the type of data we want to store based on the initial value we assign.
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Lets use All methods one by one.
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An operator is a special symbol that is used to carry out some specific operation on its operand . In Dart, we have a rich set of built-in operators to carry out the different types of operations.
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When to use setState() ?
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Ways to Use If Else Statement in Flutter Widget
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