【简答题】C#中对于集合ArrayList list1 = new ArrayList() 和 Lsit list2 = new List () 的操作,没有语法错误的是:()A. list1.Add(100); B. list2.Add(100); C. string str = list2[0]; D. string str = list1[0];
【单选题】The output from the following code is __________. java.util.ArrayList list = new java.util.ArrayList(); list.add("New York"); java.util.ArrayList list1 = (java.util.ArrayList )(list.clone()); list.add...