From c61fb79f6a6e1124fc890d755fa4beddf3b0122d Mon Sep 17 00:00:00 2001
From: Manik Jindal <manikjindal140@gmail.com>
Date: Wed, 20 Oct 2021 13:04:35 +0530
Subject: [PATCH 1/3] Create Main.java

---
 Arrays/Main.java | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 Arrays/Main.java

diff --git a/Arrays/Main.java b/Arrays/Main.java
new file mode 100644
index 0000000..d1dcbeb
--- /dev/null
+++ b/Arrays/Main.java
@@ -0,0 +1,32 @@
+class Main
+{
+    static int removeDuplicates(int arr[], int n)
+    {
+        if (n==0 || n==1)
+            return n;
+      
+        int[] temp = new int[n];
+         
+        int j = 0;
+        for (int i=0; i<n-1; i++)
+            if (arr[i] != arr[i+1])
+                temp[j++] = arr[i];
+         
+        temp[j++] = arr[n-1];  
+         
+        for (int i=0; i<j; i++)
+            arr[i] = temp[i];
+      
+        return j;
+    }
+     
+    public static void main (String[] args)
+    {
+        int arr[] = {1, 2, 2, 3, 4, 4, 4, 5, 5};
+        int n = arr.length;
+         
+        n = removeDuplicates(arr, n);
+        for (int i=0; i<n; i++)
+           System.out.print(arr[i]+" ");
+    }
+}

From 4fd49491a85f5a33ae15f757e44b385f20664d6e Mon Sep 17 00:00:00 2001
From: Manik Jindal <manikjindal140@gmail.com>
Date: Wed, 20 Oct 2021 13:05:39 +0530
Subject: [PATCH 2/3] Delete Main.java

---
 Arrays/Main.java | 32 --------------------------------
 1 file changed, 32 deletions(-)
 delete mode 100644 Arrays/Main.java

diff --git a/Arrays/Main.java b/Arrays/Main.java
deleted file mode 100644
index d1dcbeb..0000000
--- a/Arrays/Main.java
+++ /dev/null
@@ -1,32 +0,0 @@
-class Main
-{
-    static int removeDuplicates(int arr[], int n)
-    {
-        if (n==0 || n==1)
-            return n;
-      
-        int[] temp = new int[n];
-         
-        int j = 0;
-        for (int i=0; i<n-1; i++)
-            if (arr[i] != arr[i+1])
-                temp[j++] = arr[i];
-         
-        temp[j++] = arr[n-1];  
-         
-        for (int i=0; i<j; i++)
-            arr[i] = temp[i];
-      
-        return j;
-    }
-     
-    public static void main (String[] args)
-    {
-        int arr[] = {1, 2, 2, 3, 4, 4, 4, 5, 5};
-        int n = arr.length;
-         
-        n = removeDuplicates(arr, n);
-        for (int i=0; i<n; i++)
-           System.out.print(arr[i]+" ");
-    }
-}

From 51ddf242dd1275a617831248ad4cb53cb6e2b093 Mon Sep 17 00:00:00 2001
From: Manik Jindal <manikjindal140@gmail.com>
Date: Wed, 20 Oct 2021 16:40:52 +0530
Subject: [PATCH 3/3] Create sameStructureBtree1.java

---
 Binary_Search_Tree/sameStructureBtree1.java | 49 +++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 Binary_Search_Tree/sameStructureBtree1.java

diff --git a/Binary_Search_Tree/sameStructureBtree1.java b/Binary_Search_Tree/sameStructureBtree1.java
new file mode 100644
index 0000000..4b77e65
--- /dev/null
+++ b/Binary_Search_Tree/sameStructureBtree1.java
@@ -0,0 +1,49 @@
+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 sameStructure(Node root1, Node root2)
+{
+if(root1==null && root2==null) return true;
+if(root1==null||root2==null) return false;
+return sameStructure(root1.left,root2.left)
+&& sameStructure(root1.right,root2.right);
+}
+    
+}
+
+class sameStructureBtree1{
+    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);
+        System.out.println("sameStructure: "+bt.sameStructure(bt.root, bt1.root));
+
+        
+    }
+}