// create and configure a JSidePane component

JSidePane sidePane = new JSidePane();

sidePane.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);

// add a tree with a "tree" title

sidePane.addGroup(new JTree(), new ValueAction("tree"));

// add a list with a empty title

sidePane.addGroup(new JList());

// add a tree with a "dir" title

sidePane.addGroup(new JTree(), new ValueAction("dir"));

// add a tree with a "file" title

sidePane.addGroup(new JTree(), new ValueAction("file"));

// create and configure a JSidePane component

JSidePane sidePane = new JSidePane();

// sets the single selection mode

sidePane.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);

// sets the multiple selection mode

sidePane.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);