Type of comments in Dart

1.Single line comment

Single-line comments are used to comment single line of code. 
 They start with //

// Welcome to Deveraa!
print("Welcome to Deveraa!"); 

2.Multi-line Comments

Multi-line comments are used to comment out multiple lines of code. They start with /* and end with */. 

/* 
This is a multi-line comment.
Welcome to Deveraa!
*/
print("Welcome to Deveraa!"); 

3.Documentation Comments

a. Documentation Comments are multi-line or single-line comments that begin with /// or /**.
b. These comments are used inside the documentation and also called Doc Comments

Single-line documentation comment:

/// This is a documentation comment for a function
void myFunction() {
  // function code
}

Multi-line documentation comment:

/**
 * This is a detailed documentation comment.
 * It can span multiple lines and is often used
 */
class MyClass {
  // class code
}

Summary:

1. // — Single-line comment
2. /* */ — Multi-line comment
3. /// — Documentation comment (for single-line descriptions)
4. /** */ — Multi-line documentation comment (for detailed descriptions)