import java.awt.BorderLayout;
import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
public class Main {
public static void main(String[] args) {
JFrame frame = new JFrame();
JPanel panel = new JPanel();
JScrollPane listScrollPane = new JScrollPane();
String[] stringArray = { "Testing", "This", "Stuff" };
JList<String> rowList = new JList<>(stringArray);
rowList.setVisibleRowCount(2);
listScrollPane.setViewportView(rowList);
panel.setLayout(new BorderLayout());
panel.add(listScrollPane);
frame.add(panel);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.pack();
frame.setVisible(true);
}
}