• 2022-06-07
    The return result of the list generation expression is a list.
  • 内容

    • 0

      使用Java代码实现从表table中取出所有数据信息,代码如下(假设可以直接调用数据库连接conn),下面对代码描述正确的是( )。(选择一项)public List getInfo(){List list=new ArrayList();String sql=“select * from table1”;PrearedStatement pst=();Result rs=();If()){(1));}return list;} A: 返回list集合,包含一条信息 B: 返回list集合,包含所有数据信息 C: 程序发生编译错误,无法运行 D: 编译通过,运行时出错

    • 1

      A<br/>stack is a special type of linked list in which objects can only be<br/>added to and removed from the top of the list.

    • 2

      下列哪种方式创建的列表框允许选择多个列表项(<br/>)。 A: List list = new List() B: List list = new List(4) C: List list = new List(4, false) D: List list = new List(4, true)

    • 3

      List some aspects of people's lives that have changed as a result of the development of digital technology.

    • 4

      下面程序的运行结果为。 def swap(list): temp=list[0] list[0]=list[1] list[1]=temp list=[1,2] swap(list) print(list)