Slide 4.5: Naming conventions (cont.)

Slide 4.4: Naming conventions
Slide 4.6: Comments
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Naming Conventions (Cont.)

Methods

It should start with a lowercase letter.
It should be a verb such as main() and println().
If the name contains multiple words, start it with a lowercase letter followed by an uppercase letter such as actionPerformed().

class Employee {  
  // method
  void  draw( ) {
    //  code snippet 
  } 
}

Variables

It should start with a lowercase letter such as id, name.
It should not start with the special characters like &, %, and @.

class Employee {  
  // variable
  int id;
  // code snippet  
}

If the name contains multiple words, start it with the lowercase letter followed by an uppercase letter such as firstName, lastName.
Avoid using one-character variables such as x, y, and z.

Constants

It should be in uppercase letters such as RED and YELLOW.

public class Employee {  
  // constant  
  static final int MIN_AGE = 18;  
  // code snippet  
}

If the name contains multiple words, it should be separated by an underscore (_) such as MAX_PRIORITY.
It may contain digits but not as the first letter.

Slide 4.4: Naming conventions
Slide 4.6: Comments
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“The best index to a person’s character is
how he treats people who can’t do him any good,
and how he treats people who can’t fight back.”
― Abigail Van Buren