C#接口_C#/.NET实例代码-得得之家

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using System.Collections.Generic;
using System.linq;
using System.Text;
using System;

namespace InterfaceApplication {

   public interface ITransactions {
      // interface members
      voID showTransaction();
      double getAmount();
   }

   public class Transaction : ITransactions {
      private string tCode;
      private string date;
      private double amount;

      public Transaction() {
         tCode = " ";
         date = " ";
         amount = 0.0;
      }

      public Transaction(string c, string d, double a) {
         tCode = c;
         date = d;
         amount = a;
      }

      public double getAmount() {
         return amount;
      }

      public voID showTransaction() {
         Console.Writeline("Transaction: {0}", tCode);
         Console.Writeline("Date: {0}", date);
         Console.Writeline("Amount: {0}", getAmount());
      }
   }

   class Tester {

      static voID Main(string[] args) {
         Transaction t1 = new Transaction("001", "8/10/2012", 78900.00);
         Transaction t2 = new Transaction("002", "9/10/2012", 451900.00);
         t1.showTransaction();
         t2.showTransaction();
         Console.ReadKey();
      }
   }
}

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C#接口

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