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Stack.Equals() Method in C#
The Stack.Equals() method in C# is used to check whether a Stack class object is equal to another object or not.
Syntax
The syntax is as follows −
public virtual bool Equals (object ob);
Above, the parameter ob is the object compared with another.
Example
Let us now see an example −
using System;
using System.Collections;
public class Demo {
public static void Main(){
Stack stack = new Stack();
stack.Push(150);
stack.Push(300);
stack.Push(500);
stack.Push(750);
stack.Push(1000);
stack.Push(1250);
stack.Push(1500);
stack.Push(2000);
stack.Push(2500);
Console.WriteLine("Stack elements...");
foreach(int val in stack){
Console.WriteLine(val);
}
Console.WriteLine("Count of elements = "+stack.Count);
stack.Push(3000);
stack.Push(3500);
stack.Push(4000);
Console.WriteLine("
Stack elements...updated");
foreach(int val in stack){
Console.WriteLine(val);
}
Console.WriteLine("
Count of elements (updated) = "+stack.Count);
Stack stack2 = (Stack)stack.Clone();
Console.WriteLine("
Stack elements...cloned");
foreach(int val in stack2){
Console.WriteLine(val);
}
Console.Write("Count of elements in cloned stack (updated) = "+stack2.Count);
Console.WriteLine("
Are both the stacks equal? = "+stack.Equals(stack2));
}
}Output
This will produce the following output −
Stack elements... 2500 2000 1500 1250 1000 750 500 300 150 Count of elements = 9 Stack elements...updated 4000 3500 3000 2500 2000 1500 1250 1000 750 500 300 150 Count of elements (updated) = 12 Stack elements...cloned 4000 3500 3000 2500 2000 1500 1250 1000 750 500 300 150 Count of elements in cloned stack (updated) = 12 Are both the stacks equal? = False
Example
Let us now see another example −
using System;
using System.Collections;
public class Demo {
public static void Main(){
Stack stack1 = new Stack();
stack1.Push(150);
stack1.Push(300);
stack1.Push(500);
stack1.Push(750);
stack1.Push(1000);
Console.WriteLine("Stack1 elements...");
foreach(int val in stack1){
Console.WriteLine(val);
}
Stack stack2 = new Stack();
stack2.Push(350);
stack2.Push(400);
stack2.Push(500);
stack2.Push(850);
stack2.Push(900);
Console.WriteLine("Stack2 elements...");
foreach(int val in stack2){
Console.WriteLine(val);
}
Console.WriteLine("
Are both the stacks equal? = "+stack1.Equals(stack2));
}
}Output
This will produce the following output −
Stack1 elements... 1000 750 500 300 150 Stack2 elements... 900 850 500 400 350 Are both the stacks equal? = False
Updated on: 03-Dec-2019
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