增加淘宝群内容，修改部分文件组织

数据结构(双语)/数据结构 day16【瑞客论坛 www.ruike1.com】/代码/09-集合/src/com/mj/set/TreeSet.java

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+package com.mj.set;
+
+import java.util.Comparator;
+
+import com.mj.tree.BinaryTree;
+import com.mj.tree.RBTree;
+
+public class TreeSet<E> implements Set<E> {
+	private RBTree<E> tree;
+	
+	public TreeSet() {
+		this(null);
+	}
+	
+	public TreeSet(Comparator<E> comparator) {
+		tree = new RBTree<>(comparator);
+	}
+	
+	@Override
+	public int size() {
+		return tree.size();
+	}
+
+	@Override
+	public boolean isEmpty() {
+		return tree.isEmpty();
+	}
+
+	@Override
+	public void clear() {
+		tree.clear();
+	}
+
+	@Override
+	public boolean contains(E element) {
+		return tree.contains(element);
+	}
+
+	@Override
+	public void add(E element) {
+		tree.add(element);
+	}
+
+	@Override
+	public void remove(E element) {
+		tree.remove(element);
+	}
+
+	@Override
+	public void traversal(Visitor<E> visitor) {
+		tree.inorder(new BinaryTree.Visitor<E>() {
+			@Override
+			public boolean visit(E element) {
+				return visitor.visit(element);
+			}
+		});
+	}
+
+}