/**
* Learn Java from https://www.liaoxuefeng.com/
*
* @author liaoxuefeng
*/
public class Main {
public static void main(String[] args) {
// TODO: 给一个有工资收入和稿费收入的小伙伴算税:
Income[] incomes = new Income[] { new Income(3000), new SalaryIncome(7500), new RoyaltyIncome(12000) };
double total = getIncome(incomes );
// TODO:
System.out.println(total);
}
public static double getIncome(Income ...incomes ) {
double money = 0.0;
for (Income income : incomes) {
money+=income.getTax();
return money;
class RoyaltyIncome extends Income{
public RoyaltyIncome(double income) {
super(income);
// TODO Auto-generated constructor stub
public double getTax() {
return income*0.2;
class SalaryIncome extends Income {
public SalaryIncome(double income) {
@Override
if (income <= 5000) {
return 0;
return (income - 5000) * 0.2;//稿费税率20%
class Income {
protected double income;
public Income(double income) {
this.income = income;
return income * 0.1; // 税率10%
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王羲之666666
/**
* Learn Java from https://www.liaoxuefeng.com/
*
* @author liaoxuefeng
*/
public class Main {
public static void main(String[] args) {
// TODO: 给一个有工资收入和稿费收入的小伙伴算税:
Income[] incomes = new Income[] { new Income(3000), new SalaryIncome(7500), new RoyaltyIncome(12000) };
double total = getIncome(incomes );
// TODO:
System.out.println(total);
}
public static double getIncome(Income ...incomes ) {
double money = 0.0;
for (Income income : incomes) {
money+=income.getTax();
}
return money;
}
}
class RoyaltyIncome extends Income{
public RoyaltyIncome(double income) {
super(income);
// TODO Auto-generated constructor stub
}
public double getTax() {
return income*0.2;
}
}
class SalaryIncome extends Income {
public SalaryIncome(double income) {
super(income);
}
@Override
public double getTax() {
if (income <= 5000) {
return 0;
}
return (income - 5000) * 0.2;//稿费税率20%
}
}
class Income {
protected double income;
public Income(double income) {
this.income = income;
}
public double getTax() {
return income * 0.1; // 税率10%
}
}