import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTree;
public class TreeRowHeightCache {
public static void main(String[] argv) {
JTree tree = new JTree();
if (tree.getRowHeight() <= 0) {
tree.setRowHeight(1);
}
tree.setRowHeight(0);
JFrame frame = new JFrame("Image");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.add(new JScrollPane(tree));
frame.setSize(380, 320);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
}
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