The assert statement is a useful tool to debug the code and it uses boolean condition for testing . If the boolean expression in assert statement is true then the code continues to execute, but if it returns false then the code ends with Assertion Error.20 Tem 2020
Read moreWhat is Cascade operator in Dart?
Cascade notation is syntactic sugar in Dart that allows you to make a sequence of operations on the same object . You can use the “double dot” to call functions on objects and access properties. This “operator” is simply used to make your code cleaner and concise.
Read moreWhat is double dot in flutter?
Double dots(..) It allows you to not repeat the same target if you want to call several methods on the same object . This often saves you the step of creating a temporary variable and allows you to write more fluid code.
Read moreWhich of the following is ternary operator?
Answer: In computer programming, ?: is a ternary operator that is part of the syntax for basic conditional expressions in several programming languages.
Read moreWhat is ternary operator in flutter?
The ternary expression is used to conditionally assign a value . It’s called ternary because it has three portions: the condition, the value if the condition is true, and the value if the condition is false.
Read moreHow do you use the ternary operator in Dart?
The Basic. The conditional (ternary) operator is the only Dart operator that takes three operands: a condition followed by a question mark (?), then an expression to execute if the condition is truthy followed by a colon (:), and finally the expression to execute if the condition is falsy.8 Mar 2022
Read moreWhat is or operator in Dart?
An operator is a symbol that is used to manipulating the values or performs operations on its operand . The given expression: 5+4, in this expression, 5 and 4 are operands and “+” is the operator. Dart provides an extensive set of built-in operators to accomplish various types of operations.
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