Getters and setters are used to protect your data, particularly when creating classes. For each instance variable, a getter method returns its value while a setter method sets or updates its value. Given this, getters and setters are also known as accessors and mutators, respectively.
Read moreWhat are getters in flutter?
Getters and setters are special methods that provide explicit read and write access to an object’s properties .
Read moreHow do you type a variable in Dart?
Numbers in Dart You declare instances of them using the keywords var, int, num or double. Use var if the variable can be dynamic and hold any type of variable. That’s more or less as it is in JavaScript. Use int or double to explicitly declare the type of the variables .
Read moreWhat is Dart variable?
Variable is used to store the value and refer the memory location in computer memory . When we create a variable, the Dart compiler allocates some space in memory. The size of the memory block of memory is depended upon the type of variable.
Read moreWhat is type casting in Dart?
A string can be cast to an integer using the int. parse() method in Dart . The method takes a string as an argument and converts it into an integer.
Read moreHow do you fix Lateinitializationerror?
How to Solve Error? Remember: You have to assign something to the late variable before using it . Here, we have created a nullable variable, which is assigned to the Text() widget, When you use Text(name!) null check operator instead shown like above, you may get “Null check operator used on a null value” Error.
Read moreWhat are types in flutter?
Here is the list of built-in data types that can be used in Flutter:
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