Create TreeSort.java

Algorithms/TreeSort.java

@@ -0,0 +1,90 @@
+// Java program to 
+// implement Tree Sort 
+class TreeSort 
+{ 
+
+	// Class containing left and 
+	// right child of current 
+	// node and key value 
+	class Node 
+	{ 
+		int key; 
+		Node left, right; 
+
+		public Node(int item) 
+		{ 
+			key = item; 
+			left = right = null; 
+		} 
+	} 
+
+	// Root of BST 
+	Node root; 
+
+	// Constructor 
+	TreeSort() 
+	{ 
+		root = null; 
+	} 
+
+	// This method mainly 
+	// calls insertRec() 
+	void insert(int key) 
+	{ 
+		root = insertRec(root, key); 
+	} 
+
+	/* A recursive function to 
+	insert a new key in BST */
+	Node insertRec(Node root, int key) 
+	{ 
+
+		/* If the tree is empty, 
+		return a new node */
+		if (root == null) 
+		{ 
+			root = new Node(key); 
+			return root; 
+		} 
+
+		/* Otherwise, recur 
+		down the tree */
+		if (key < root.key) 
+			root.left = insertRec(root.left, key); 
+		else if (key > root.key) 
+			root.right = insertRec(root.right, key); 
+
+		/* return the root */
+		return root; 
+	} 
+
+	// A function to do 
+	// inorder traversal of BST 
+	void inorderRec(Node root) 
+	{ 
+		if (root != null) 
+		{ 
+			inorderRec(root.left); 
+			System.out.print(root.key + " "); 
+			inorderRec(root.right); 
+		} 
+	} 
+	void treeins(int arr[]) 
+	{ 
+		for(int i = 0; i < arr.length; i++) 
+		{ 
+			insert(arr[i]); 
+		} 
+
+	} 
+
+	// Driver Code 
+	public static void main(String[] args) 
+	{ 
+		TreeSort tree = new TreeSort(); 
+		int arr[] = {5, 4, 7, 2, 11}; 
+		tree.treeins(arr); 
+		tree.inorderRec(tree.root); 
+	} 
+} 
+