东北财经大学2021年9月《信息系统分析与设计》作业考核试题及答案参考
1.字符型和整型一般情况下可以通用。( )
A.错误
B.正确
参考答案：B
2."); out.println("doGet Hello World!"); out.println(""); out.pr
"); out.println("doGet Hello World!"); out.println(""); out.println(""); out.close( ); } public void doPost(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { res.setContentType("text/html"); PrintWriter ut = res.getWriter( ); out.println(""); out.println(""); out.println("doPost Hello World!"); out.println(""); }}
A.一个HT ...