Java Swing JList

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import javax.swing.DefaultListModel;
import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.SwingUtilities;

public class JavaSwingJList extends JFrame {

	private JList<String> countryList;

	public JavaSwingJList() {

		DefaultListModel<String> listModel = new DefaultListModel<>();
		listModel.addElement("C#");
		listModel.addElement("Java");
		listModel.addElement("Asp.net");
		listModel.addElement("PHP");
		listModel.addElement("Phython");

		countryList = new JList<>(listModel);
		add(countryList);

		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		this.setTitle("JList Example");
		this.setSize(200, 200);
		this.setLocationRelativeTo(null);
		this.setVisible(true);
	}

	public static void main(String[] args) {
		SwingUtilities.invokeLater(new Runnable() {
			@Override
			public void run() {
				new JavaSwingJList();
			}
		});
	}
}
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