C#练习

using System;
using System.Collections;

namespace huangyibiao
{
    class Program
    {
        public static void PrintValues(IEnumerable ie, char chrSeperator)
        {
            foreach (Object obj in ie)
            {
                Console.Write("{0}{1}", chrSeperator, obj);
            }
            Console.WriteLine();
        }
    
        static void Main(string[] args)
        {
            Stack myStack = new Stack();

            myStack.Push("黄仪标");
            myStack.Push("何崇");
            myStack.Push("王博");
            myStack.Push("何江");

            PrintValues(myStack, '\t');

            Console.WriteLine("\tPop : " + myStack.Pop());
            Console.WriteLine("\tPeek: " + myStack.Peek());
            PrintValues(myStack, '\t');

            Console.WriteLine("\tPop : " + myStack.Pop());
            Console.WriteLine("\tPeek: " + myStack.Peek());
            PrintValues(myStack, '\t');

            Console.WriteLine("\tPop : " + myStack.Pop());
            Console.WriteLine("\tPeek: " + myStack.Peek());
            PrintValues(myStack, '\t');

            Console.WriteLine("\tPop : " + myStack.Pop());
            PrintValues(myStack, '\t');

        }
    }
}

using System;namespace huangyibiao{ class Program { static void Main(string[] args) { //一维数组 int[] iArrNumber = new int[5]; Console.WriteLine("Length: " + iArrNumber.Length); //二维数组 string[,] strNames = new string[5,4]; Console.WriteLine("Length: " + strNames.Length); //交错数组 int[][] iArrElements = new int[5][]; for (int i = 0; i < iArrElements.Length; i++) { iArrElements[i] = new int[i + 1]; } for (int i = 0; i < iArrElements.Length; i++) Console.WriteLine("Length: " + iArrElements[i].Length); } }}

using System;namespace huangyibiao{ class Program { static void Main(string[] args) { Console.Write("请输入要录入的学生人数: "); int iCounter = 0; iCounter = Int32.Parse(Console.ReadLine()); string[] strNames = new string[iCounter]; for (int i = 0; i < iCounter; i++) { Console.Write("请输入第{0}个学生的姓名: ", i + 1); strNames[i] = Console.ReadLine(); } Console.WriteLine("您已经登记的学生的姓名如下:"); foreach (var name in strNames) { Console.WriteLine(name); } } }}