4.4 - Why do we need nested if... else...?

A. Introduction

Take a look at the table below to decide how income tax is calculated:

To calculate a person's income tax, we need to decide if a person is married or not. Then based on his or her taxable income, we apply a different tax rate. The decision-making process is shown below.

The taxable income condition is checked after the marital status is checked. As mentioned in 2.7, this is a situation of nested if... else.

B. Sample code: IncomeTax.java

C. Try:

E5.2 - E5.25