📄 e1025. adding a node to a jtree component.txt
字号:
// Create tree
JTree tree = new JTree();
DefaultTreeModel model = (DefaultTreeModel)tree.getModel();
// Find node to which new node is to be added
int startRow = 0;
String prefix = "J";
TreePath path = tree.getNextMatch(prefix, startRow, Position.Bias.Forward);
MutableTreeNode node = (MutableTreeNode)path.getLastPathComponent();
// Create new node
MutableTreeNode newNode = new DefaultMutableTreeNode("green");
// Insert new node as last child of node
model.insertNodeInto(newNode, node, node.getChildCount());
Related Examples
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -