11. public void addStrings(List list) { 12. list.add(”foo”); 13. list.add(”bar”); 14. } What must you change in this method to compile without warnings?()
You are a technician at TestKing. Your assistant applied an IP access control list to Router TK1. You want to check the placement and direction of the access control list.Which command should you use?()
如果列表框List1中没有被选定的项目,则执行List1.RemoveItem List1.ListIndex语句的结果是()。
public static void search(List list) { list.clear(); list.add(”b”); list.add(”a”); list.add(”c”); System.out.println(Collections.binarySearch(list, “a”)); } What is the result of calling search with a valid List implementation?()
给出下面有关java.awt.list的表达式,哪些叙述是对的() List 1=new list(6,true)
如果显示组件(DU)上,有琥珀色显示信息:CHECK CAPT PFD(检查机长PFD),或CHECK F/O PFD(检查副驾驶PFD),表示()
Open check can be further divided into Bearer and Order check while crossed check into general and _______ crossing.
If a check is to the order of a person in whose favor the check is drawn it is called bearer check.
public static void main(String[] args) {LinkedList list=new LinkedList();list.add(\A\);list.add(\B\);String s=(String)list.get(2);System.out.println(s);}编译运行的结果是
162. If you need the information for Radio Weather Services, you may check the Admiralty List of Lights and Fog Signals_____.
执行 list1.list(list1.listcount)=\80\
3、执行下面操作后,list2的值是: list1 = ['a', 'b', 'c'] list1.append('de') list2 = list1
执行下面的操作后,list2的值为() list1 = [4,5,6] list2 = list1 list1[2] = 3
阅读下面程序intlist[]=newint[10];for(intI=0;I<=list.length;I++)list[I]=I;list[0]的值为()
publicstaticvoidsearch(Listlist){list.clear();list.add(”b”);list.add(”a”);list.add(”c”);System.out.println(Collections.binarySearch(list,a”));}WhatistheresultofcallingsearchwithavalidListimplementation?()
publicstaticIteratorreverse(Listlist){Collections.reverse(list);returnlist.iterator();}publicstaticvoidmain(String[]args){Listlist=newArrayList();list.add(”1”);list.add(”2”);list.add(”3”);for(Objectobj:reverse(list))System.out.print(obj+,”);}Whatistheresult?()
已知“a=list((1,2))+list((2,3))”,则a的值是()。
给出下列有关List的表达式,则()选项的叙述是对的。List 1=new List(6,true):A.在没有其他的约束的
check约束通过限制输入到列中的值来强制域的完整性,对单独一列可使用多个check约束()
有列表List <int> list。请写一个printList函数,利用迭代器实现list的元素输出。
17、如果列表框List1中没有选定的项目,则执行语句“List1.RemoveItem List1. ListIndex”的结果是()。
窗体上有List1、List2两个列表框,List1中有若干列表项(见图),并有下面的程序:Private sub Command1_Click()For k=List1.ListCoum-1 To 0 step-1If List1.Selected(k) ThenList2.AddItem List1.List(k)List1.RemoveItem kEnd IfNext kEnd Sub程序运
在窗体上有一个列表,然后编写如下两个事件过程: Private Sub Form_Click() List1.RemoveItem 1:List1.RemoveItem 2 List1RemoveItem 3 End Sub Private Sub Form_Load() List1.AddItem"ItemA":List1.AddItem"ItemB’P List1.AddItem"ItemC
list1=[10,20,30,40,50]哪个是删除list1列表数据?()