Calculates income tax with dependencies.

Tax.java

import java.util.Scanner;
import java.text.*;

public class Tax {
    
    public static void main(String[] args)
    {
        // Declare variables
        Scanner sc = new Scanner(System.in);
        final double TAX_RATE = 0.2;
        final int ALLOWED_DEDUCTION = 10000;
        final int DEDUCTION = 2000;
        int grossIncome, dependents;
        double finalIncome;
        
        // Get input for income and dependents
        grossIncome = sc.nextInt();
        dependents = sc.nextInt();
        
        // Create number formatter currency instance
        NumberFormat nf = NumberFormat.getCurrencyInstance();
        
        // Calculate tax
        dependents *= DEDUCTION;
        finalIncome = ((grossIncome - dependents) - ALLOWED_DEDUCTION) * TAX_RATE;
        
        // Output tax
        System.out.println("\nIncome: " + nf.format(finalIncome));
    }
}