You have to use UIManager class to solve this problem. The program that I had written below is working properly in my computer. Just try to run this in your computer. In this program we have to remove leaf, open, close icons.
Code:
Icon leafIcons = new ImageIcon("leaf.gif");
Icon openIcons = new ImageIcon("open.gif");
Icon closedIcons = new ImageIcon("closed.gif");
JTree trees = new JTree();
DefaultTreeCellRenderer renderers = (DefaultTreeCellRenderer)trees.getCellRenderers(); renderer.setLeafIcon(leafIcons); renderer.setClosedIcon(closedIcons); renderer.setOpenIcon(openIcons);
renderer.setLeafIcon(null);
renderer.setClosedIcon(null);
renderer.setOpenIcon(null);
UIManager.put("Tree.leafIcon", leafIcons);
UIManager.put("Tree.openIcon", openIcons); UIManager.put("Tree.closedIcon", closedIconss);
trees = new JTree();
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