Tree

Author: engineerscodes

Collection/src/TREES/TressDemo.java

@@ -0,0 +1,83 @@
+/**
+ * 
+ */
+package TREES;
+import java.util.*;
+
+/**
+ *  @author M.NAVEEN
+ *  RANDOM CODER'S
+ *  Tech/Project Lead Android Club
+ */
+public class TressDemo
+{
+   static Scanner nav =new Scanner(System.in); 
+	
+	static class node {
+		 node left,right;
+		 int data;
+		 
+		 node (int data){this.data =data;}
+	}
+	public static node createTree()
+	{    node root =null;
+		System.out.println("Enter the Data :");
+		int data=nav.nextInt();
+		if(data==-1) {
+			return null;
+		}
+	    
+		root =new node(data);
+		System.out.println("The data entered on Left :"+data);
+		root.left =createTree();
+		System.out.println("The data entered on Right :"+data);
+		root.right=createTree();
+	
+		
+		return root;
+		
+	}
+
+	public static void  inOrder(node root)
+	{ 
+		   if(root ==null) {return ;}
+		   
+		inOrder(root.left);
+		System.out.print(root.data +" ");
+		inOrder(root.right);
+	}
+	
+	public static void PerOrder(node root)
+	{
+		  if(root ==null) {return ;}
+		  System.out.print(root.data +" ");
+		  PerOrder(root.left);
+			
+		  PerOrder(root.right);
+	}
+	
+	public static  void PostOrder(node root)
+	{
+		 if(root ==null) {return ;}
+		  
+		 PostOrder(root.left);
+			
+		 PostOrder(root.right);
+			System.out.print(root.data +" ");
+	}
+	
+	public static void main(String[] args) 
+	{
+		System.out.println("Tree");
+		node root =createTree();
+		System.out.println("Inorder !!!!");
+		inOrder(root);
+		
+		System.out.println("\nPostorder !!!!");
+		PostOrder(root);
+		System.out.println("\nPreOrder  !!!!");
+		PerOrder(root);
+	}
+
+}
+

Collection/src/TREES/package-info.java

@@ -0,0 +1,9 @@
+/**
+ * 
+ */
+/**
+ *  @author M.NAVEEN
+ *  RANDOM CODER'S
+ *  Tech/Project Lead Android Club
+ */
+package TREES;