我无法计算总价格和佣金帮助plzzz 我的变量是道具和佣金 程序运行完美，但事务总结导致最后一个循环计算我需要总计所有循环计算
import java.util.Scanner;
public class loopingS {
public static void main(String[] args) {
Scanner kbd = new Scanner(System.in);
String code, decision;
int price =0;
double residential, commercial, multidwelling;
boolean yesno = true;
boolean repeat = true;
boolean cde = true;
double total=0;
boolean yn = true;
double prop=0;
double commission=0;
System .out.println("Real-estate Commission Calculator");
System.out.println("----------------------------------");
while (yn){
while(repeat){
System.out.print("Enter property's selling price: ");
price = kbd.nextInt();
if (price <= 0) {
System.out.println("**error**selling price must be greater than zero ");
repeat = true;
}
else{
prop=0 + price;
while(cde){
System.out.println("residential R\nmulti-dwelling M\nCommercial C");
System.out.println("Enter property code: ");
code = kbd.next();
switch(code){
case "r":
residential = price * 0.07;
cde = false;
total = +residential;
break;
case "m":
multidwelling = price * 0.06;
cde = false;
total = + multidwelling;
break;
case "c":
commercial = price * 0.035;
cde = false;
total = +commercial;
break;
default:
System.out.println("**error**- Property code must be R,M,C");
cde = true;
break;
}
commission=0 + total;
}
}
cde = true;
break;
}
System.out.println("Do u want to calculate another commission(y or n): ");
decision = kbd.next();
switch(decision){
case"y":
yn = true;
break;
case "n":
System.out.println("*********Transacction Summary************");
System.out.println("Total Property Sale: " +prop);
System.out.println("Total Commissions: " + commission);
yn = false;
break;
default :
System.out.println("**Error**Enter valid response");
yesno = true;
while(yesno){
System.out.println("do you want to calculate another commsion(y or n):");
decision = kbd.nextLine();
switch(decision){
case "y":
yn=yesno= true;
break;
case "n":
yn=yesno= false;
break;
}
}
}
}
}
}
答案 0 :(得分：1)
import java.util.Scanner;
公共课测试 {
public static void main(String[] args)
{
Scanner kbd = new Scanner(System.in);
String code, decision;
int price = 0;
double residential, commercial, multidwelling;
boolean yesno = true;
boolean repeat = true;
boolean cde = true;
double total = 0;
boolean yn = true;
double prop = 0;
double commission = 0;
System.out.println("Real-estate Commission Calculator");
System.out.println("----------------------------------");
while (yn)
{
while (repeat)
{
System.out.print("Enter property's selling price: ");
price = kbd.nextInt();
if (price <= 0)
{
System.out.println("**error**selling price must be greater than zero ");
repeat = true;
}
else
{
prop = prop + price;
while (cde)
{
System.out.println("residential R\nmulti-dwelling M\nCommercial C");
System.out.println("Enter property code: ");
code = kbd.next();
switch (code)
{
case "r":
residential = price * 0.07;
cde = false;
total = +residential;
break;
case "m":
multidwelling = price * 0.06;
cde = false;
total = +multidwelling;
break;
case "c":
commercial = price * 0.035;
cde = false;
total = +commercial;
break;
default:
System.out.println("**error**- Property code must be R,M,C");
cde = true;
break;
}
commission = commission + total;
}
}
cde = true;
break;
}
System.out.println("Do u want to calculate another commission(y or n): ");
decision = kbd.next();
switch (decision)
{
case "y":
yn = true;
break;
case "n":
System.out.println("*********Transacction Summary************");
System.out.println("Total Property Sale: " + prop);
System.out.println("Total Commissions: " + commission);
yn = false;
break;
default:
System.out.println("**Error**Enter valid response");
yesno = true;
while (yesno)
{
System.out.println("do you want to calculate another commsion(y or n):");
decision = kbd.nextLine();
switch (decision)
{
case "y":
yn = yesno = true;
break;
case "n":
yn = yesno = false;
break;
}
}
}
}
kbd.close();
}
}
希望这能解决您的问题。你需要在基础知识上做很多工作。