((DefaultTableModel)table.getTableModel()).addColumn("Col 1");
((DefaultTableModel)table.getTableModel()).addColumn("Col 2");
((DefaultTableModel)table.getTableModel()).addRow(new String[]{"Item 1,1","Item 1,2"});
((DefaultTableModel)table.getTableModel()).addRow(new String[]{"Item 2,1","Item 2,2"});
ItsNatFreeTable freeTable = (ItsNatFreeTable)compMgr.findItsNatComponentById("freeTableId");
check(freeTable);
((DefaultTableModel)freeTable.getTableModel()).addColumn("Col 1");
((DefaultTableModel)freeTable.getTableModel()).addColumn("Col 2");
((DefaultTableModel)freeTable.getTableModel()).addRow(new String[]{"Item 1,1","Item 1,2"});
((DefaultTableModel)freeTable.getTableModel()).addRow(new String[]{"Item 2,1","Item 2,2"});
// Trees
ItsNatFreeTree freeTree = (ItsNatFreeTree)compMgr.findItsNatComponentById("freeTreeId");
check(freeTree);
((DefaultTreeModel)freeTree.getTreeModel()).setRoot(new DefaultMutableTreeNode("Free Tree"));