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法律研究C# 中的 Stack.ToString() 方法，附带示例
C# 中的 Stack.ToString() 方法用于获取 Stack 类对象的字符串表示形式。
语法
语法如下 −
public string ToString ();
示例
下面我们来看一个示例 −
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.ToString());
}
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.ToString());
}
Console.WriteLine("
Count of elements (updated) = "+stack.Count);
Console.WriteLine("
Copying the Stack to a new array...");
Object[] objArr = stack.ToArray();
foreach(Object ob in objArr) {
Console.WriteLine(ob);
}
Console.WriteLine("
Count of elements in array = "+objArr.Length);
}
}输出
将产生以下输出 −
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 Copying the Stack to a new array... 4000 3500 3000 2500 2000 1500 1250 1000 750 500 300 150 Count of elements in array = 12
示例
下面我们来看另一个示例 −
using System;
using System.Collections;
public class Demo {
public static void Main() {
Stack stack = new Stack();
stack.Push("Inspiron");
stack.Push("Alienware");
stack.Push("Projectors");
stack.Push("Monitors");
stack.Push("XPS");
stack.Push("Laptop");
stack.Push("Notebook");
Console.WriteLine("Stack elements...");
foreach(string val in stack) {
Console.WriteLine(val.ToString());
}
Console.WriteLine("Count of elements = "+stack.Count);
Console.WriteLine("Element at the top = "+ stack.Peek());
stack.Push("Ultrabook");
stack.Push("Cameras");
stack.Push("Keyboards");
Console.WriteLine("
Stack elements...updated");
foreach(string val in stack) {
Console.WriteLine(val.ToString());
}
Console.WriteLine("Element at the top = "+ stack.Peek());
Console.WriteLine("
Count of elements (updated) = "+stack.Count);
stack.Clear();
Console.Write("Count of elements (updated) = "+stack.Count);
}
}输出
将产生以下输出 −
Stack elements... Notebook Laptop XPS Monitors Projectors Alienware Inspiron Count of elements = 7 Element at the top = Notebook Stack elements...updated Keyboards Cameras Ultrabook Notebook Laptop XPS Monitors Projectors Alienware Inspiron Element at the top = Keyboards Count of elements (updated) = 10 Count of elements (updated) = 0
更新于: 04-12-2019
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