C#高级语法基础知识总结6——字符串&集合

Console.WriteLine("集合-----------");

Console.WriteLine("列表");

List<int> intList = new List<int>(10);

List<string> strList = new List<string>() { "苏国强", "盖茨" };//初始化

Console.WriteLine("Capacity属性获取集合的容量{0}" , intList.Capacity);

Console.WriteLine("Count属性获取集合元素个数{0}", intList.Count);

Console.WriteLine("Add()方法添加元素");

intList.Add(1);

intList.Add(2);

Console.Write("添加元素后列表");

foreach (var a in intList)

{

Console.Write(a+",");

}

Console.WriteLine();

Console.WriteLine();

Console.WriteLine("AddRange()方法添加元素");

intList.AddRange(new int[] { 3, 4 });

Console.Write("添加元素后列表");

foreach (var a in intList)

{

Console.Write(a+",");

}

Console.WriteLine();

Console.WriteLine();

Console.WriteLine("Insert()方法插入元素");

strList.Insert(1, "乔布斯");

Console.Write("插入元素后列表");

foreach (var a in strList)

{

Console.Write(a + ",");

}

Console.WriteLine();

Console.WriteLine();

Console.WriteLine("RemoveAt()方法删除元素");

strList.RemoveAt(1);

Console.Write("删除元素后列表");

foreach (var a in strList)

{

Console.Write(a + ",");

}

Console.WriteLine();

Console.WriteLine();

Console.WriteLine("使用IndexOf()查询返回索引或-1");

int index1 = strList.IndexOf("苏国强");

Console.WriteLine(index1);