claymccoy

public class TreeNode {
  private final String name;
  private final Collection<TreeNode> children;

  public TreeNode(String name) {
    this.name = name;
    children = new HashSet<TreeNode>();
  }

  public String getName() {

claymccoy

final TreeNode shape = new TreeNode("shape");
final TreeNode ellipse = new TreeNode("ellipse");
shape.addChild(ellipse);
ellipse.addChild(new TreeNode("circle"));
final TreeNode polygon = new TreeNode("polygon");
shape.addChild(polygon);
final TreeNode triangle = new TreeNode("triangle");
polygon.addChild(triangle);
triangle.addChild(new TreeNode("equilateral"));
triangle.addChild(new TreeNode("isosceles"));

claymccoy

shape {
    ellipse {
        circle
    }
    polygon {
        petagon
        triangle {
            scalene
            equilateral
            isosceles

claymccoy

import java.util.ArrayList;
import java.util.List;
 
public class abc {
 
  public static void main(String[] args) {
     List<String> abc = new ArrayList<String>();
     abc.add("a");
     abc.add("b");
     abc.add("c");

claymccoy

[:a,:b,:c].each do |s|
  puts s
end

claymccoy

require 'java'
require 'Trees.jar'

TreeNode = com.claymccoy.trees.TreeNode

class TreeNode
  def to_s
    puts to_string.gsub("\\r", "\\n")
  end
end

claymccoy

class TreeNode
  def method_missing(methodname, *args, &block)
    child = self.children().find { |child| methodname.to_s == child.name }
    if child.nil?
      child = TreeNode.new(methodname.to_s)
      self.add_child(child)
    end
    child.instance_eval(&block) if block_given?
    child
  end

claymccoy

TreeNode ellipse = null;
for (TreeNode treeNode : shape.getChildren()) {
  if ("ellipse".equals(treeNode.getName())) {
    ellipse = treeNode;
    break;
  }
}
if (null == ellipse) {
  ellipse = new TreeNode("ellipse");
  shape.addChild(ellipse);

claymccoy

shape {
    ellipse.circle
    polygon {
        petagon
        triangle {
            scalene
            equilateral
            isosceles
        }
        hexagon

claymccoy

Tree.create {
  shape {
      ellipse.circle
      polygon {
          petagon
          triangle {
              scalene
              equilateral
              isosceles
          }