Test4631471.java 文件源码

public static TreeNode getRoot() {
    DefaultMutableTreeNode node = new DefaultMutableTreeNode("root");
    DefaultMutableTreeNode first = new DefaultMutableTreeNode("first");
    DefaultMutableTreeNode second = new DefaultMutableTreeNode("second");
    DefaultMutableTreeNode third = new DefaultMutableTreeNode("third");

    first.add(new DefaultMutableTreeNode("1.1"));
    first.add(new DefaultMutableTreeNode("1.2"));
    first.add(new DefaultMutableTreeNode("1.3"));

    second.add(new DefaultMutableTreeNode("2.1"));
    second.add(new DefaultMutableTreeNode("2.2"));
    second.add(new DefaultMutableTreeNode("2.3"));

    third.add(new DefaultMutableTreeNode("3.1"));
    third.add(new DefaultMutableTreeNode("3.2"));
    third.add(new DefaultMutableTreeNode("3.3"));

    node.add(first);
    node.add(second);
    node.add(third);

    return node;
}