【简答题】给定一个Servlet程序的代码片段如下Public void doPost(HttpServletRequest request,HttpServletResponse response)thows ServletException{ request.getSession().getAttribute("A");//第二行}假定第二行返回的对象引用不是null,那么这个对象村存在()范围中A. ...
【单选题】给定一个Servlet程序的代码片段如下:Public void doPost(HttpServletRequest request,HttpServletResponse response) throw ServletException,IOException{Request.getSession().getAttribute(“A”); //第2行}假定第2行返回的对象引用不是null,那么这...
【单选题】给定一个 Servlet程序的代码片段,如下:( ) Publi c voi d doPost(HttpServletRequest request,HttpServletResponse response) throws ServletException ,IOException { request.getSession().getAttribute("A"); //第二行 } 假定第二行返回...
【单选题】给定一个 Servlet 程序的代码片段如下 : Public void doPost(HttpServletRequest request,HttpServletResponse response)throws ServletException{ request.getSession().getAttribute("A");// 第 2 行 假定第 2 行返回的对象引用不是 null, 那么这个...
【单选题】可以被多个进程在任意时刻共享的代码必须是( )。
【单选题】________ make money on currency exchanges by the difference between the ________ price, or the price they offer to pay, and the ________ price, or the price at which they offer to sell the currency.
【单选题】My view is that the price they offer is quite competitive .
【判断题】编译程序生成的目标代码都是能够立即执行的机器语言代码。
【单选题】给定一个 Servlet 程序的代码片段如下: p ublic void doPost ( HttpServletRequest request, HttpServletResponse response) throws ServletException { request.getSession().getAttribute("A"); // 第 2 行 } 假定第 2 行返回的对象引用不是 nu...