Java Comments & Industry Naming Conventions

/**
 * Demonstrates clean coding standards, Javadoc annotations,
 * and official Java naming conventions.
 *
 * @author Our Compiler Technical Editorial Team
 * @version 2026.1
 */
public class Main {

    // Constant in UPPER_SNAKE_CASE
    public static final double DEFAULT_TAX_RATE = 0.18;
    public static final String CURRENCY_SYMBOL  = "INR (₹)";

    /**
     * Computes the total billing amount after applying standard tax.
     *
     * @param itemPrice Subtotal price of purchased goods.
     * @return Final amount including applicable tax.
     */
    public static double computeBill(double itemPrice) {
        // Single-line comment: calculate gross total
        double taxAmount = itemPrice * DEFAULT_TAX_RATE;
        return itemPrice + taxAmount;
    }

    public static void main(String[] args) {
        double productPrice = 2500.00; // Variable in camelCase
        double totalPayable = computeBill(productPrice);

        System.out.println("Product Price : ₹" + productPrice);
        System.out.println("Tax Rate      : " + (DEFAULT_TAX_RATE * 100) + "%");
        System.out.println("Total Invoice : ₹" + totalPayable);
        System.out.println("Currency Code : " + CURRENCY_SYMBOL);
    }
}

/**
 * Represents an employee record with enterprise naming conventions.
 */
class EmployeeRecord {
    // Instance variables in camelCase
    private String employeeName;
    private int employeeId;
    private double monthlySalary;

    public EmployeeRecord(String employeeName, int employeeId, double monthlySalary) {
        this.employeeName = employeeName;
        this.employeeId = employeeId;
        this.monthlySalary = monthlySalary;
    }

    public double calculateAnnualCTC() {
        // 12 months salary + 10% standard enterprise performance bonus
        final double BONUS_PERCENTAGE = 0.10;
        double annualBase = this.monthlySalary * 12;
        return annualBase + (annualBase * BONUS_PERCENTAGE);
    }

    public void printSummary() {
        System.out.println("Employee ID   : #" + employeeId);
        System.out.println("Employee Name : " + employeeName);
        System.out.println("Annual CTC    : ₹" + calculateAnnualCTC());
    }
}

public class Main {
    public static void main(String[] args) {
        EmployeeRecord dev = new EmployeeRecord("Balaji Nayak", 10142, 85000.00);
        dev.printSummary();
    }
}