下面程序段的输出结果是( )。 public class Test public static void main (String[] args) int j=2,i=5; while (j<i--) j++; System.out.println(j);
A. 2
B. 3
C. 4
D. 5
I wish I()in Hawaii longer last week, but I had to come back and go to work.
A. had stayed
B. might have stayed
C. stayed
D. have stayed
当采用高强气体放电灯作为一般照明时,在经常有人工作的工作场所,其照度标准值不宜低于( )。
A. 50lx
B. 75lx
C. 100lx
D. 150lx
下列不属于JComponent类的功能的是( )。
A. 边框设置
B. 键盘导航
C. 支持布局
D. 调用本地图形系统