How do I get a dotted line to connect nodes in a JTree?

I am trying to recreate a Windows Explorer application, does anyone know how they get the dotted lines to connect the nodes in the JTree????

JTree uses a specific line style to represent the edges between nodes. The default is no edges, but we can set JTree�s lineStyle client property so that each parent node appears connected to each of its child nodes by an angled line:
myJTree.putClientProperty("JTree.lineStyle", "Angled");
We can also set this property such that each tree cell is separated by a horizontal line:
myJTree.putClientProperty("JTree.lineStyle", "Horizontal");
To disable the line style:
myJTree.putClientProperty("JTree.lineStyle", "None");
As with any Swing component, we can also change the UI resource defaults used for all instances of the JTree class. For instance, to change the color of the lines used for rendering the edges between nodes as described above, we can modify the entry in the UI defaults table for this resource as follows:
UIManager.put("Tree.hash", new ColorUIResource(Color.lightGray))
Hope this serves your purpose.
Regards,
Sachin Shanbhag

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