Java By Comparison

Use Domain Terminology

class Person {
    String lastName;
    String role;
    int travels;
    LocalDate employedSince;

    String serializeAsLine() {
        return String.join(",",
                Arrays.asList(lastName,
                        role,
                        String.valueOf(travels),
                        String.valueOf(employedSince))
        );
    }
}

The code you work on usually belongs to a specific domain, and a domain has its own vocabulary. Think of sports; different sports have their own domain-specific names for hurling, throwing, kicking, bending, or dunking a different kind of ball. The more you insert the terms of your program’s domain into your code, the better.

In the code above, you see a class for representing a person with a last name, a role, the number of travels, and the date of employment. The class ...