在 C# 中将对象插入堆栈顶部
要在堆栈顶部插入一个对象,请使用以下代码:-
示例
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); 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)); stack.Push(300); stack.Push(400); stack.Push(450); stack.Push(500); Console.WriteLine("Elements in the Stack... (UPDATED)"); foreach(var val in stack) { Console.WriteLine(val); } Console.WriteLine("Count of elements in the Stack (UPDATED) = "+stack.Count); } }
输出
该代码会生成以下输出:-
Elements in the Stack: 250 225 200 175 150 100 Count of elements in the Stack = 6 Does Stack has the element 400?= False Elements in the Stack... (UPDATED) 500 450 400 300 250 225 200 175 150 100 Count of elements in the Stack (UPDATED) = 10
示例
看另一个示例:-
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"); Console.WriteLine("Count of elements = "+stack.Count); Console.WriteLine("Elements in Stack..."); foreach (string res in stack) { Console.WriteLine(res); } stack.Push("M"); Console.WriteLine("Elements in the Stack... (UPDATED)"); foreach(var val in stack) { Console.WriteLine(val); } Console.WriteLine("Count of elements in the Stack (UPDATED) = "+stack.Count); } }
输出
该代码会生成以下输出:-
Count of elements = 8 Elements in Stack... H G F E D C B A Elements in the Stack... (UPDATED) M H G F E D C B A Count of elements in the Stack (UPDATED) = 9
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