diff --git a/ujjwamishraCSE27/RemoveDuplicates.java b/ujjwamishraCSE27/RemoveDuplicates.java
new file mode 100644
index 0000000..c8bae88
--- /dev/null
+++ b/ujjwamishraCSE27/RemoveDuplicates.java
@@ -0,0 +1,39 @@
+import java.util.Scanner;
+
+public class RemoveDuplicates {
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+
+        System.out.print("Enter the number of elements: ");
+        int n = sc.nextInt();
+        int[] nums = new int[n];
+
+        System.out.print("Enter the sorted elements: ");
+        for (int i = 0; i < n; i++) {
+            nums[i] = sc.nextInt();
+        }
+
+        
+        if (n == 0) {
+            System.out.println("Unique count: 0");
+            return;
+        }
+
+        int k = 1; 
+
+        for (int i = 1; i < n; i++) {
+            if (nums[i] != nums[k - 1]) {
+                nums[k] = nums[i];
+                k++;
+            }
+        }
+
+       
+        System.out.println("Unique count: " + k);
+        System.out.print("Modified array: ");
+        for (int i = 0; i < k; i++) {
+            System.out.print(nums[i] + " ");
+        }
+        System.out.println();
+    }
+}
diff --git a/ujjwamishraCSE27/TwoSum.java b/ujjwamishraCSE27/TwoSum.java
new file mode 100644
index 0000000..fa03a32
--- /dev/null
+++ b/ujjwamishraCSE27/TwoSum.java
@@ -0,0 +1,42 @@
+import java.util.Scanner;
+
+public class TwoSum {
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+
+       
+        System.out.print("Enter the number of elements: ");
+        int n = sc.nextInt();
+        int[] nums = new int[n];
+
+       
+        System.out.print("Enter the elements: ");
+        for (int i = 0; i < n; i++) {
+            nums[i] = sc.nextInt();
+        }
+
+        
+        System.out.print("Enter the target sum: ");
+        int target = sc.nextInt();
+
+        
+        int i, j;
+        boolean found = false;
+
+        for (i = 0; i < n; i++) {
+            for (j = i + 1; j < n; j++) {
+                if (nums[i] + nums[j] == target) {
+                    System.out.println("Output: [" + i + ", " + j + "]");
+                    found = true;
+                    break;
+                }
+            }
+            if (found) break;
+        }
+
+        if (!found) {
+            System.out.println("No two elements found that sum up to target.");
+        }
+    }
+}
+