This are generic type parameters. It allows specializations of classes. List is a list that can contain any value (if no type parameter is passed dynamic is used by default). List<int> is a list that only allows integer values and null `. You can add such Type parameters to your custom classes as well.
Read moreWhat are the operators?
In mathematics and sometimes in computer programming, an operator is a character that represents an action , as for example x is an arithmetic operator that represents multiplication. In computer programs, one of the most familiar sets of operators, the Boolean operators, is used to work with true/false values.
Read moreWhat are the operators?
In mathematics and sometimes in computer programming, an operator is a character that represents an action , as for example x is an arithmetic operator that represents multiplication. In computer programs, one of the most familiar sets of operators, the Boolean operators, is used to work with true/false values.
Read moreWhat is Dart function?
A function in Dart or in any programming language has a specific name and has a set of programming statements . The function can be called at any location of the program to run the statements it has and returns a result, or performs some operations.
Read moreWhat is late variable?
late variables The keyword late can be used to mark variables that will be initialized later, i.e. not when they are declared but when they are accessed . This also means that we can have non-nullable instance fields that are initialized later: Accessing value before it is initialized will throw a runtime error.
Read moreWhat is late variable?
late variables The keyword late can be used to mark variables that will be initialized later, i.e. not when they are declared but when they are accessed . This also means that we can have non-nullable instance fields that are initialized later: Accessing value before it is initialized will throw a runtime error.
Read moreWhat does Late mean in Dart?
The late keyword By declaring a non-nullable late variable , we promise that it will be non-null at runtime, and Dart helps us with some compile-time guarantees.
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