MarginalTaxRate.java

Below is the syntax highlighted version of MarginalTaxRate.java from §1.3 Conditionals and Loops.

/******************************************************************************
 *  Compilation:  javac MarginalTaxRate.java
 *  Execution:    java MarginalTaxRate income
 *
 *  Prints the marginal tax rate for a given income.
 *
 *  % java MarginalTaxRate 100000
 *  marginal tax rate = 0.28
 *
 *  % java MarginalTaxRate 100
 *  marginal tax rate = 0.1
 *
 *  % java MarginalTaxRate 1000000
 *  marginal tax rate = 0.396
 *
 ******************************************************************************/

public class MarginalTaxRate {

    public static void main(String[] args) {
        int income = Integer.parseInt(args[0]);
        double rate = 0.0;

        if      (income <      0) rate = 0.00;
        else if (income <   8925) rate = 0.10;
        else if (income <  36250) rate = 0.15;
        else if (income <  87850) rate = 0.23;
        else if (income < 183250) rate = 0.28;
        else if (income < 398350) rate = 0.33;
        else if (income < 400000) rate = 0.35;
        else                      rate = 0.396;

        System.out.println("marginal tax rate = " + rate);
    }
}