Stack and C# examples

The Stack class in C# represents a simple last-in-first-out (LIFO) non-generic collection of objects.

The following are the properties of the Stack class-

Sr.No	Properties & Description
1	Count p> Get the number of elements contained in the Stack.
2	IsSynchronized Gets a value indicating whether to access the stack Synchronous (thread-safe).
3	SyncRoot Get objects available for synchronous access

The following are some methods of Stack class-

##1234567##8GetType() 9Peek()10Pop()11Push(Object)Examples

Sr.No	Properties and Description th>
	Clear()Remove from the stack All objects.
	Clone()Creates a shallow copy of the stack.
	Contains(Object) Whether the element is on the stack.
	CopyTo(Array, Int32)Copy Convert Stack to existing a one-dimensional array of Start at the specified array index.
	Equal to (Object)Determine whether the specified object is equal to current object.
	GetEnumerator() strong>Returns the IEnumerator of the stack.
td>	GetHashCode() Used as the default hash function. (Inherited from Object)
	Get the Type of the current instance .
	Returns the object at the top of the stack without deleting it.
	Deletes and returns the object at the top of the stack
	Insert an object at the top of the stack.

Now let us see some examples-

To get the object on top of the stack, the code is as follows -

Live Demonstration

using System;
using System.Collections.Generic;
public class Demo {
   public static void Main() {
      Stack<string> stack = new Stack<string>();
      stack.Push("A");
      stack.Push("B");
      stack.Push("C");
      stack.Push("D");
      stack.Push("E");
      stack.Push("F");
      stack.Push("G");
      stack.Push("H");
      stack.Push("I");
      stack.Push("J");
      Console.WriteLine("Count of elements = "+stack.Count);
      Console.WriteLine("Element at the top of stack = " + stack.Peek());
   }
}

Output

This will produce the following output-

Count of elements = 10
Element at the top of stack = J
Count of elements = 10

To check if the Stack has elements, use the C# Contains() method . Below is the code -

Example

Live Demo

using System;
using System.Collections.Generic;
public class Demo {
   public static void Main() {
      Stack<int> stack = new Stack<int>();
      stack.Push(100);
      stack.Push(150);
      stack.Push(175);
      stack.Push(200);
      stack.Push(225);
      stack.Push(250);
      stack.Push(300);
      stack.Push(400);
      stack.Push(450);
      stack.Push(500);
      Console.WriteLine("Elements in the Stack:");      
      foreach(var val in stack) {
         Console.WriteLine(val);
      }
      Console.WriteLine("Count of elements in the Stack = "+stack.Count);
      Console.WriteLine("Does Stack has the element 400?= "+stack.Contains(400));
   }
}

Output

This will produce the following output -

Elements in the Stack:
500
450
400
300
250
225
200
175
150
100
Count of elements in the Stack = 10
Does Stack has the element40400?= False

The above is the detailed content of Stack and C# examples. For more information, please follow other related articles on the PHP Chinese website!