Java tutorial
import java.awt.BorderLayout; import java.awt.Dimension; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JTextPane; import javax.swing.ScrollPaneConstants; import javax.swing.WindowConstants; public class Main { public static void main(String[] args) { JFrame frame = new JFrame(); JTextPane codearea = new JTextPane(); JScrollPane scroll; scroll = new JScrollPane(codearea, ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED, ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED); scroll.setPreferredSize(new Dimension(300, 300)); JPanel panel = new JPanel(new BorderLayout()); panel.add(scroll, BorderLayout.CENTER); JButton comp = new JButton("Print text"); comp.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { System.out.println(codearea.getText()); } }); panel.add(comp, BorderLayout.SOUTH); frame.getContentPane().add(panel); frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); frame.pack(); frame.setVisible(true); } }