【Unity 3D】C#中数组、集合、栈、队列、哈希表、字典的讲解（附测试代码）

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class Test_9_1 : MonoBehaviour
{
    void Start()
    {
        int[] n = new int[5]; /* n 是一个带有 10 个整数的数组 */
        int i, j;
        /* 初始化数组 n 中的元素 */
        for (i = 0; i < 5; i++)
        {
            n[i] = i + 100;
        }
        /* 输出每个数组元素的值 */
        for (j = 0; j < 5; j++)
        {
            Debug.Log("元素[{" + j + "}] = {" + n[j] + "}");
        }
    }
}

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class Test_9_2 : MonoBehaviour
{
    void Start()
    {
        /* 一个带有 5 行 2 列的数组 */
        int[,] a = new int[5, 2] { { 0, 1 }, { 2, 3 }, { 4, 5 }, { 6, 7 }, { 8, 9 } };
        int i, j;
        /* 输出数组中每个元素的值 */
        for (i = 0; i < 5; i++)
        {
            for (j = 0; j < 2; j++)
            {
                Debug.Log("a[{" + i + "},{" + j + "}] = {" + a[i, j] + "}");
            }
        }
    }
}

ArrayList list1=new ArrayList();
list1.Add("zhangsan");
list1.Add("5333");

List<String> list=new List<String>();

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class Test_9_3 : MonoBehaviour
{
    void Start()
    {
        Queue q = new Queue();//初始化队列
        q.Enqueue('A');//添加元素
        q.Enqueue('B');
        Debug.Log("添加元素前：");
        foreach (char item in q)
        {
            Debug.Log(item);
        }
        q.Enqueue('C');
        Debug.Log("添加元素后：");
        foreach (char item in q)
        {
            Debug.Log(item);
        }
        q.Dequeue();//删除元素
        Debug.Log("删除元素后：");
        foreach (char item in q)
        {
            Debug.Log(item);
        }
    }
}

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class Test_9_4 : MonoBehaviour
{
    void Start()
    {
        Stack st = new Stack();//初始化队列
        st.Push('A');//添加元素
        st.Push('B');
        Debug.Log("添加元素前：");
        foreach (char item in st)
        {
            Debug.Log(item);
        }
        st.Push('C');
        Debug.Log("添加元素后：");
        foreach (char item in st)
        {
            Debug.Log(item);
        }
        char ch =(char)st.Peek();//返回在 Stack 的顶部的对象，但不移除它
        Debug.Log("返回在 Stack 的顶部的对象："+ch);
        st.Pop();//删除元素
        Debug.Log("删除元素后：");
        foreach (char item in st)
        {
            Debug.Log(item);
        }
    }
}

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class Test_9_5 : MonoBehaviour
{
    void Start()
    {
        Hashtable ht = new Hashtable();
        ht.Add("001", "张三");
        ht.Add("002", "李四");
        if (ht.ContainsValue("李四"))
        {
            Debug.Log("这个名字已经添加到名单上了");
        }
        else
        {
            ht.Add("003", "王五");
        }
        // 获取键的集合 
        ICollection key = ht.Keys;
        foreach (string k in key)
        {
            Debug.Log(k + ": " + ht[k]);
        }
    }
}

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class Test_9_6 : MonoBehaviour
{
    void Start()
    {
        Dictionary<string, string> students = new Dictionary<string, string>();
        students.Add("S001", "张三");//添加
        students.Add("S002", "李四");//添加
        students.Add("S003", "王五");//添加
        students["S003"] = "赵六";//修改
        students.Remove("S000"); //删除
        foreach (string key in students.Keys)//查询Keys
            Debug.Log(key);
        foreach (string value in students.Values)//查询Values
            Debug.Log(value);
        foreach (KeyValuePair<string, string> stu in students)  //查询Keys和Values
            Debug.Log("Key:" + stu.Key + "  Name:" + stu.Value);
    }
}