List of usage examples for javax.swing DefaultListModel trimToSize
public void trimToSize()
From source file:Main.java
public static void main(final String args[]) { String labels[] = { "A", "B", "C", "D", "E" }; JFrame frame = new JFrame(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); DefaultListModel model = new DefaultListModel(); model.ensureCapacity(1000);/*w w w . j a v a 2s .c o m*/ for (int j = 0; j < 5; j++) { model.addElement(labels[j]); } model.trimToSize(); JList jlist2 = new JList(model); jlist2.setVisibleRowCount(4); jlist2.setFixedCellHeight(12); jlist2.setFixedCellWidth(200); JScrollPane scrollPane2 = new JScrollPane(jlist2); frame.add(scrollPane2, BorderLayout.CENTER); frame.setSize(300, 350); frame.setVisible(true); }