diff --git a/U2/L7/U2_L7_Activitiy_One.java b/U2/L7/U2_L7_Activitiy_One.java
new file mode 100644
index 0000000..34511a2
--- /dev/null
+++ b/U2/L7/U2_L7_Activitiy_One.java
@@ -0,0 +1,15 @@
+/* Lesson 7 Coding Activity Question 1 */
+
+import java.lang.Integer;
+
+public class U2_L7_Activity_One {
+
+    public static void main(String[] args) {
+        Integer a = Integer.MAX_VALUE;
+        a++;
+        System.out.println(a);
+        Integer b = Integer.MIN_VALUE;
+        b--;
+        System.out.println(b);
+    }
+}
diff --git a/U2/L7/U2_L7_Activity_Three.java b/U2/L7/U2_L7_Activity_Three.java
new file mode 100644
index 0000000..c662dcf
--- /dev/null
+++ b/U2/L7/U2_L7_Activity_Three.java
@@ -0,0 +1,25 @@
+/* Lesson 7 Coding Activity Question 3 */
+
+import java.lang.Integer;
+import java.util.Scanner;
+import shapes.*;
+
+public class U2_L7_Activity_Three {
+
+    public static void main(String[] args) {
+        Scanner scan = new Scanner(System.in);
+        Integer sides;
+        Double length;
+
+        System.out.println("Enter number of sides:");
+        sides = scan.nextInt();
+        System.out.println("Enter side length:");
+        length = scan.nextDouble();
+
+        RegularPolygon p1 = new RegularPolygon(sides, length);
+        RegularPolygon p2 = new RegularPolygon(sides + 1, length * 2);
+
+        System.out.println("The area of a " + p1 + " is: " + p1.getArea());
+        System.out.println("The area of a " + p2 + " is: " + p2.getArea());
+    }
+}
diff --git a/U2/L7/U2_L7_Activity_Two.java b/U2/L7/U2_L7_Activity_Two.java
new file mode 100644
index 0000000..fe46836
--- /dev/null
+++ b/U2/L7/U2_L7_Activity_Two.java
@@ -0,0 +1,19 @@
+import java.lang.Integer;
+import java.util.Scanner;
+
+public class U2_L7_Activity_Two {
+
+    public static void main(String[] args) {
+        Scanner scan = new Scanner(System.in);
+        Integer x = null;
+        Integer y = null;
+
+        System.out.println(x + " " + y);
+        System.out.println("Enter values:");
+        x = scan.nextInt();
+        y = scan.nextInt();
+
+        Double avg = (double) (x + y) / 2;
+        System.out.println("Average of " + x + " and " + y + " is " + avg);
+    }
+}