We would like to know how to import java.awt.Container;.
import java.awt.GridLayout; /* w w w . ja v a2 s . c om*/ import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JScrollPane; public class Main { public static void main(String[] args) { JFrame frame = new JFrame(); frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); JPanel panel = new JPanel(); Container c = frame.getContentPane(); panel.setSize(100, 100); panel.setLayout(new GridLayout(1000, 1)); for (int i = 0; i < 1000; i++) panel.add(new JLabel("JLabel " + i)); JScrollPane jsp = new JScrollPane(panel); c.add(jsp); frame.setSize(100, 100); frame.setVisible(true); } }