Here you can find the source of getAllChildCount(TreeNode node)
public static int getAllChildCount(TreeNode node)
//package com.java2s; /*//from w w w . j ava 2s.co m * K-scope * Copyright 2012-2013 RIKEN, Japan * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * Version to work with SSHconnect. */ import javax.swing.tree.TreeNode; public class Main { public static int getAllChildCount(TreeNode node) { if (node == null) return 0; int count = 0; int childCount = node.getChildCount(); for (int i = 0; i < childCount; i++) { count++; TreeNode child = node.getChildAt(i); count += getAllChildCount(child); } return count; } }