A. 对 B. 错
A. container.setLayout(null); B. container.setLayout(new FlowLayout(FlowLayout.Center,5,5)); C. container.setLayout(new BorderLayout(0,0)); D. container.setLayout(new GridLayout(0,0,0,0));
A. 绝对布局Absolute Layout B. 流式布局Flow Layout C. 边界布局Border Layout D. 网格布局Grid Layout