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Java Swing - 如何用于保存JScrollPane JTextField的列表

jscrollpane 【jscrollpane】
我们想知道如何用于保存JScrollPane JTextField的列表。
代码展示 运行结果 
import java.awt.BorderLayout;
import java.awt.Dimension;

import javax.swing.BoxLayout;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTabbedPane;
import javax.swing.JTextField;

public class Main {
  public static void main(String[] args) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setResizable(false);
    JTabbedPane tabs = new JTabbedPane();
    tabs.setTabLayoutPolicy(JTabbedPane.SCROLL_TAB_LAYOUT);
    for (int i = 0; i < 5; i++) {
      tabs.addTab("Tab" + i, new TabPanel());
    }

    frame.add(tabs);
    frame.pack();
    frame.setVisible(true);

  }
}


class TabPanel extends JPanel {
  public TabPanel() {
    JPanel innerPanel = new JPanel();
    innerPanel.setLayout(new BoxLayout(innerPanel, BoxLayout.Y_AXIS));
    int USER_INPUT = 10;
    for (int i = 0; i < USER_INPUT; i++) {
      JPanel p = new JPanel(new BorderLayout());
      JLabel label = new JLabel("Label" + i);
      JTextField textArea = new JTextField();
      p.add(label, BorderLayout.NORTH);
      p.add(textArea, BorderLayout.CENTER);
      innerPanel.add(p);
    }

    JScrollPane scrollPane = new JScrollPane(innerPanel);
    scrollPane.setPreferredSize(new Dimension(400, 200));
    this.add(scrollPane);
  }
}