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本文向大家介绍C#数组操作方法，可能好多人还不了解C#数组操作，没有关系，看完本文你肯定有不少收获，希望本文能教会你更多东西。
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数组是相同类型的对象的集合。数组具有相同数据类型的项的有序集合。要访问数组中的某个项，需要同时使用数组名称及该项与数组起点之间的偏移量。由于数组几乎可以为任意长度，因此可以使用数组存储数千乃至数百万个对象，但必须在创建数组时就确定其大小。数组中的每项都按索引进行访问，索引是一个数字，指示对象在数组中的存储位置或槽。
按顺序演示了以下功能：
◆动态创建数组
◆数组快速排序
◆反转数组元素
◆动态改变数组大小
◆检索数组中元素
◆复制数组中多个元素
- namespace StringDemo
- {
- public partial class Form1 : Form
- {
- public Form1()
- {
- InitializeComponent();
- }
- private void button1_Click(object sender, EventArgs e)
- {
- System.Collections.ArrayList mystrlist = new System.Collections.ArrayList();
- mystrlist.Add("aaaaaaaa");
- mystrlist.Add("bbbbbbbb");
- mystrlist.Add("cccccccc");
- mystrlist.Add("dddddddd");
- foreach (string str in mystrlist)
- {
- textBox1.Text += str + "\r\n";
- }
- }
- private void button2_Click(object sender, EventArgs e)
- {
- String[] myArray = { "8", "one", "4", "0", "over", "the" };
- foreach (string str in myArray)
- textBox1.Text += str + "\r\n";
- textBox1.Text += "\r\n";
- Array.Sort(myArray);
- foreach (string str in myArray)
- textBox1.Text += str + "\r\n";
- }
- private void button3_Click(object sender, EventArgs e)
- {
- String[] myArray = { "8", "one", "4", "0", "over", "the" };
- foreach (string str in myArray)
- textBox1.Text += str + "\r\n";
- textBox1.Text += "\r\n";
- Array.Reverse(myArray);
- foreach (string str in myArray)
- textBox1.Text += str + "\r\n";
- }
- private void button4_Click(object sender, EventArgs e)
- {
- String[] myArray = { "one", "two", "three" };
- foreach (string str in myArray)
- textBox1.Text += str + "\r\n";
- textBox1.Text += "\r\n";
- Array.Resize(ref myArray, 5);
- myArray[3] = "aaa";
- myArray[4] = "bbb";
- foreach (string str in myArray)
- textBox1.Text += str + "\r\n";
- }
- private void button5_Click(object sender, EventArgs e)
- {
- string[] dinosaurs = { "Compsog0000nathus",
- "Amargasaurus", "Ovira0000ptor","Veloc0000iraptor",
- "Deinonychus","Dilop0000hosaurus","Gallimimus",
- "Triceratops"};
- foreach (string str in dinosaurs)
- textBox1.Text += str + "\r\n";
- textBox1.Text += "\r\n";
- //要自己写一个SubStringis0000的函数,这是泛型编程
- string[] subArray = Array.FindAll(dinosaurs,SubStringis0000);
- foreach (string str in subArray)
- textBox1.Text += str + "\r\n";
- }
- private static bool SubStringis0000(string str)
- {
- if(str.Contains ("0000"))
- return true ;
- else
- return false ;
- }
- private void button6_Click(object sender, EventArgs e)
- {
- string[] dinosaurs = { "Compsog0000nathus",
- "Amargasaurus", "Ovira0000ptor","Veloc0000iraptor",
- "Deinonychus","Dilop0000hosaurus","Gallimimus",
- "Triceratops"};
- foreach (string str in dinosaurs)
- textBox1.Text += str + "\r\n";
- textBox1.Text += "\r\n";
- string[] deststr = new string[2];
- //Copy还有很多类型的参数,比如数组复制等。
- Array.Copy(dinosaurs, 2, deststr, 0, 2);
- foreach (string str in deststr)
- textBox1.Text += str + "\r\n";
- }
- private void button7_Click(object sender, EventArgs e)
- {
- textBox1.Text = "";
- }
- }
- }
【编辑推荐】
