在5.0版本之前，无法设置帧的布局管理器或者直接将组件添加到帧中。

Prior to the 5.0 release, you couldn't set the layout manager of the frame or add components directly to the frame.

youdao

在5.0版本之前，无法设置帧的布局管理器或者直接将组件添加到帧中。

Prior to the 5.0 release, you couldn't set the layout manager of the frame or add components directly to the frame.

youdao