Iam a beginner in C# . I tried a program to perfrom the stack operations push and pop using the array I dont know how to transfer the control choice to 2 to display function..

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C#

using System;

class Stackarray
{

        int[] stack = new int[20];
        int top = 0;

    public void push()
    {
        int n;
        System.Console.WriteLine(" Enter the number of elements in the array ");
        n = int.Parse(System.Console.ReadLine());

        for (int i = 1; i <= n; i++)
        {
            System.Console.WriteLine(" Enter the {0} element ", i);
            stack[i] = int.Parse(System.Console.ReadLine());



        }
        System.Console.WriteLine(" Values Entered");
    }


    public void display()
    {

        System.Console.WriteLine("\n \n Elements are");
        for (int j = top; j >= 1; j--)
        {
            System.Console.WriteLine("{0}", stack[j]);

        }
        System.Console.ReadLine();
        break;
    }






   static void Main(string[] args)
    {

        System.Console.WriteLine(" Program for the Stack using Arrays ");
        System.Console.WriteLine("----------------------------------");

        System.Console.WriteLine (" Enter your choice ");
        System.Console.WriteLine (" 1. Push ");
        System.Console.WriteLine(" 2.Display");


        Stackarray s = new Stackarray();

        int ch;
        ch = int.Parse(System.Console.ReadLine());

        switch (ch)
        {
            case 1:  s.push();
                break;
            case 2: s.display();
                break;
        }

        System.Console.ReadKey();

     }



}

Posted 19-Oct-13 21:39pm

krishyuva

Updated 19-Oct-13 21:52pm

v2

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BillWoodruff 20-Oct-13 5:14am

I'm glad you got a helpful answer ! from .NET version 1.1 on, .NET does have a Stack data-structure you can use.

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Richard MacCutchan · Accepted Answer · 2013-10-19T21:54:00

You need to include that code in a loop so that it repeats until the user terminates it, like:

C#

static void Main(string[] args)
{

    System.Console.WriteLine(" Program for the Stack using Arrays ");
    System.Console.WriteLine("----------------------------------");
    Stackarray s = new Stackarray();

    while (true)
    {
        System.Console.WriteLine(" Enter your choice ");
        System.Console.WriteLine(" 1. Push ");
        System.Console.WriteLine(" 2. Display");
        System.Console.WriteLine(" 3. Exit");

        int ch = 0;
        ch = int.Parse(System.Console.ReadLine());
    
        switch (ch)
        {
            case 1:
                s.push();
                break;
            case 2:
                s.display();
                break;
            case 3:
                break;
        }
        if (ch == 3)
            break;  // terminate the loop
    
    }

 }