The comments are notes that developers can add in source code and are ignored by compilers. It’s an art of describing what your code does and may be why. These comments are not evaluated.

This article, guide you through the retrieval of Dart version via command line.

Semicolons in Dart are mandatory. The semicolon acts as statements terminator. That is every statement must be ended with a semicolon(;).
Dart also allows multiple statements in a single line, exception that every statement must be ended by a semicolon(;).

Dart provides operators that can be used to check the relationship between values or values within variables also known as operands.
All relational operators, less than(<), less than or equal to(<=), greater than(>), greater than and equal to(>=) gives resultant value in boolean i.

Dart provides operators that can be used to performs compare values or values within variables.
The comparison are like equal to and not equal to. Also known as equality operators.

Dart supports different arithmetic operators that can be used to performs mathematical calculations on the values and variables.
The basic arithmetic operations like addition, subtraction, multiplication, division, etc. are performed with these operators.

The `length` property is one of the easiest ways to find the length of list in Dart. This is the most conventional technique adopted by all programmers.