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程序解析:staticvoidMain(string[]args){strings1="AA";int d=678;strings2=s1+d;Console.WriteLine(" {0}", s2);//结果为_______________________char[]nm={'S','I','P','I','T','S'};stringNM=newstring(nm);Console.WriteLine(" {0}", NM);//结果为_______________________//方法返回字符串string[]sa={"AA","BB","CC","DD"};stringm=String.Join("-", sa);Console.WriteLine("Message: {0}", m);//结果为_______________________Console.ReadKey();}
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