import java.awt.*;
import javax.swing.*;
public class LayoutManagers {
public static void main(String[] args) {
JFrame frame=new JFrame(“Layout Managers”);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JTabbedPane tp=new JTabbedPane(); //创建一个选项卡tp
tp.addTab(“Intro”, new IntroPanel());
tp.addTab(“Flow”,new FlowPanel());
tp.addTab(“Border”,new BorderPanel());
tp.addTab(“Grid”, new GridPanel());
tp.addTab(“Box”, new BoxPanel());
frame.getConten......
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