A.顯示表單元素和輸入控件 B.顯示錯(cuò)誤信息 C.處理用戶輸入數(shù)據(jù) D.顯示其他HTML元素
import java.awt.*; import java.applet.*; public class ButtonDemo extends Applet{ public void init() { Button pushBotton=new Button(“ok”); Button downBotton=new Button(“Yes”); add(pushBotton); add(downBotton); } } 根據(jù)以上代碼,下列結(jié)束正確的是()
A.該代碼畫了一個(gè)按鈕 B.Button(“ok”)創(chuàng)建一個(gè)有顯示”ok”的按鈕 C.Button()是構(gòu)造函數(shù) D.按鈕屬于容器
A. <jsp:userbean id=”mybean” scope=”page” class=”mypackage.d” type=”b”> B. <jsp:userbean id=”mybean” scope=”page” class=”mypackage.d” type=”object”/> C.<jsp:userbean id=”mybean” scope=”page” class=”mypackage.d” type=”mypackage.a”/> D.<jsp:userbean id=”mybean” scope=”page” class=”mypackage.d” type=”a/”>