摘要:
int[] sum = { 1, 2, 3 }; Console.WriteLine(sum.Sum()); 阅读全文
摘要:
var strArray = str.Distinct().ToArray(); //字符去重 string.Join(string.Empty, strArray); //字符成串 string str = "asdsdhjkkk"; var strArray = str.Distinct().T 阅读全文