How do I put a scrollPane on a BoxLayout?

Question

I would like to have my `JFrame` that has a `BoxLayout` be able to have a scroll pane so I could just keep adding in Groups like if it was a receipt or invoice printer. Is there a way to add a `ScrollPane`? Question: How to add a ScrollPane to the JFrame? Code, originally seen here: ``` import java.awt.EventQueue; import javax.swing.BorderFactory; import javax.swing.Box; import javax.swing.BoxLayout; import javax.swing.GroupLayout; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JTextField; /** @see https://stackoverflow.com/a/8504753/230513 */ public class GroupPanel extends JPanel { private static final long serialVersionUID = 1L; private JLabel label1 = new JLabel("Primary:"); private JTextField field1 = new JTextField(16); private JLabel label2 = new JLabel("Secondary:"); private JTextField field2 = new JTextField(16); private JLabel label3 = new JLabel("Tertiary:"); private JTextField field3 = new…

Accepted Answer

Simply enclose all the components into `JPanel` first and then add it into `JScrollPane` and finally add `JScrollPane` into `JFrame`s content pane.

Sample code:

```
JPanel panel = new JPanel();
JScrollPane scrollPane = new JScrollPane(panel);

panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
panel.add(new GroupPanel(1));
panel.add(new GroupPanel(2));
panel.add(new GroupPanel(3));
panel.add(new GroupPanel(4));
panel.add(Box.createVerticalGlue());

f.getContentPane().add(scrollPane);
```

screenshot;

How do I put a scrollPane on a BoxLayout?

Solution

Problem

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