GUI编程03：3种布局管理器

本节内容视频链接：https://www.bilibili.com/video/BV1DJ411B75F?p=5&vd_source=b5775c3a4ea16a5306db9c7c1c1486b5https://www.bilibili.com/video/BV1DJ411B75F?p=5&vd_source=b5775c3a4ea16a5306db9c7c1c1486b5

1.FlowLayout  流式布局

代码：

public class TestFlowLayout {
    public static void main(String[] args) {
        Frame frame = new Frame();
        
        //创建组件—按钮
        Button button1 = new Button("button1");//创建对象button1
        Button button2 =