using System;
public class bijiao
{
    private double[] a = new double[10];
    private double[] b = new double[10];

    public bijiao()
    {
        Console.WriteLine("请输入数组a的值");
        for (int i = 0; i <= 9; i++)
        {
            Console.WriteLine("a[" + i + "]=");
            a[i] = double.Parse(Console.ReadLine());
        }
        Console.WriteLine("请输入数组b的值");
        for (int k = 0; k <= 9; k++)
        {
            Console.WriteLine("b[" + k + "]=");
            b[k] = double.Parse(Console.ReadLine());
        }
      
    }
    void fangfa()
    {
        String str = "";
        if (a[i] == b[k])
        {
            str = string.Format("a[" + i + "]=b[" + k + "]={0}", a[i]);
            Console.WriteLine(str);
        }     
    }
  public static void Main()
    {
        bijiao b1 = new bijiao();
        b1.fangfa();
    }
}

没有结果呀 大哥！！！！！！！！

谢了！！！！！！！！！！1