“使用未分配的局部变量”是什么意思?
using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace Lab_5___Danny_Curro{ class Program { static void Main(string[] args) { string firstName; string lastName; int accNumber; string creditPlan; double balance; string status; Boolean late = false; double lateFee; double monthlyCharge; double annualRate; double netBalance; Console.Write("Enter First Name: "); firstName = Console.ReadLine(); Console.Write("Enter Last Name: "); lastName = Console.ReadLine(); Console.Write("Enter Account Number: "); accNumber = Convert.ToInt32(Console.ReadLine()); Console.Write("Enter Credit Card Plan Number[Blank Will Enter Plan 0]: "); creditPlan = Console.ReadLine(); Console.Write("Enter Balance: "); balance = Convert.ToDouble(Console.ReadLine()); Console.Write("Is This Account Late?: "); status = Console.ReadLine().Trim().ToLower(); if (creditPlan == "0") { annualRate = 0.35; //35% lateFee = 0.0; monthlyCharge = balance * (annualRate * (1 / 12)); return; } if (creditPlan == "1") { annualRate = 0.30; //30% if (status == "y") { late = true; } else if (status == "n") { late = false; } if (late == true) { lateFee = 25.00; } monthlyCharge = balance * (annualRate * (1 / 12)); return; } } }}
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