check two trees are identical

Author: joharbatta

Trees/identicalBtree.java

@@ -0,0 +1,55 @@
+
+class Node
+{
+    int data;
+    Node left;
+    Node right;
+    Node(int data)
+    {
+        this.data=data;
+        left=right=null;
+    }
+}
+
+class BinaryTree{
+    Node root;
+    BinaryTree() 
+    { 
+        root = null; 
+    } 
+    BinaryTree(int data)
+    {
+        this.root=new Node(data);
+    }
+
+    boolean isIdentical(Node root1, Node root2)
+    {
+        if(root1==null && root2==null) 
+        return true;
+        if(root1==null || root2==null) 
+        return false;
+        return root1.data==root2.data &&
+        isIdentical(root1.left,root2.left) &&
+        isIdentical(root1.right,root2.right);
+    }
+}
+
+class identicalBtree{
+    public static void main(String[] args) {
+
+        BinaryTree bt=new BinaryTree(2);
+        bt.root.left=new Node(3);
+        bt.root.right=new Node(5);
+        bt.root.left.right=new Node(9);
+        bt.root.right.left=new Node(7);
+
+        BinaryTree bt1=new BinaryTree(2);
+        bt1.root.left=new Node(3);
+        bt1.root.right=new Node(5);
+        bt1.root.left.right=new Node(9);
+        bt1.root.right.left=new Node(7);
+
+        System.out.println(bt.isIdentical(bt.root,bt1.root));
+        
+    }
+}