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import javax.swing.*;import java.awt.*;import java.awt.event.*;public class LayoutDemo extends JFrame implements ActionListener {	protected JTextField nameField;			public static void main(String[] args) {		LayoutDemo gui = new LayoutDemo();		gui.pack();		gui.setVisible(true);	}		public void actionPerformed(ActionEvent e) {		if(e.getActionCommand().equals("Test")){			String str = nameField.getText();			//JOptionPane jop = new JOptionPane();		}		else if(e.getActionCommand().equals("clear"))			nameField.setText("");		//else			//System.exit(1);	}		public LayoutDemo() {		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);		setSize(300,200);		setTitle("Name Tester");		Container content = getContentPane();				JPanel pane = new JPanel();		pane.setLayout(new BorderLayout());			JLabel nameLabel = new JLabel("Enter your name here");		pane.add(nameLabel, BorderLayout.NORTH);				JTextField nameField = new JTextField("");		nameField.addActionListener(this);		pane.add(nameField, BorderLayout.CENTER);				JPanel buttonPanel = new JPanel();		JButton test = new JButton("Test");		test.addActionListener(this);				JButton clear = new JButton("Clear");		clear.addActionListener(this);				buttonPanel.add(test);		buttonPanel.add(clear);		pane.add(buttonPanel, BorderLayout.SOUTH);				content.add(pane);	}}