diff --git a/Assignment_2.md b/Assignment_2.md
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index 0000000..b44c1d7
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+++ b/Assignment_2.md
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+package Core_Java_Assignments;
+
+import java.util.Scanner;
+
+class calculator {
+
+    void circle() {
+        System.out.println("Please Enter Radious");
+        Scanner sc = new Scanner(System.in);
+        int r = sc.nextInt();
+
+        System.out.println("Area Of circle is :" + 3.14 * (r * r));
+        System.out.println("Perimeter Of Ciecle is :" + 2 * 3.14 * r);
+
+    }
+
+    void square() {
+
+        System.out.println("Please Enter Length");
+        Scanner sc = new Scanner(System.in);
+        int a = sc.nextInt();
+        System.out.println("Area Of Square is :" + a * a);
+        System.out.println("Perimeter Of Square is :" + 4 * a);
+    }
+
+    void traingle() {
+
+        System.out.println("Please Enter Hight");
+        Scanner sc = new Scanner(System.in);
+        int th = sc.nextInt();
+        System.out.println("Please Enter Base");
+        int tb = sc.nextInt();
+        System.out.println("Area Of Tringle is :" + 12 * tb * th);
+        System.out.println("Perimeter Of Tringle is :" + 12 * tb * th);
+    }
+
+    void cylinder() {
+        System.out.println("Please Enter Radious");
+        Scanner sc = new Scanner(System.in);
+
+        int cr = sc.nextInt();
+        System.out.println("Please Enter Hight");
+        int ch = sc.nextInt();
+
+        System.out.println("Volume Of cylinder is :" + 3.14 * (cr * cr) * ch);
+        System.out.println("Susface Area Of cylinder is :" + 2 * 3.14 * cr * ch);
+        System.out.println("Area Of cylinder is :" + 2 * 3.14 * cr * (ch + cr));
+
+    }
+
+    void rectangle() {
+        System.out.println("Please Enter Length");
+        Scanner sc = new Scanner(System.in);
+
+        int rec = sc.nextInt();
+        System.out.println("Please Enter Breadth");
+        int recb = sc.nextInt();
+        System.out.println("Area Of rectangle is :" + rec * recb);
+        System.out.println("Perimeter Of rectangle is :" + 2 * (rec + recb));
+    }
+
+    void cube() {
+        System.out.println("Please Enter Side");
+        Scanner sc = new Scanner(System.in);
+
+        int cube_l = sc.nextInt();
+        System.out.println("Volume Of cube is :" + (cube_l * cube_l * cube_l));
+        System.out.println("Susface Area Of cube is :" + 6 * (cube_l * cube_l));
+        System.out.println("Perimeter Of cube is :" + 12 * (cube_l));
+    }
+
+    void cuboid() {
+        System.out.println("Please Enter Length");
+        Scanner sc = new Scanner(System.in);
+
+        int cuboid_l = sc.nextInt();
+        System.out.println("Please Enter Breadth");
+        int cuboid_b = sc.nextInt();
+        System.out.println("Please Enter Hight");
+        int cuboid_h = sc.nextInt();
+        System.out.println("Volume Of cuboid is :" + (cuboid_l * cuboid_b * cuboid_h));
+        System.out.println("Susface Area Of cuboid is :" + 2 * ((cuboid_l * cuboid_b) + (cuboid_b * cuboid_h) + (cuboid_l * cuboid_h)));
+        System.out.println("Perimeter Of cuboid is :" + 4 * (cuboid_l + cuboid_b + cuboid_h));
+
+    }
+
+    void tringle() {
+        System.out.println("Please Enter Hight");
+        Scanner sc = new Scanner(System.in);
+
+        int th = sc.nextInt();
+        System.out.println("Please Enter Base");
+        int tb = sc.nextInt();
+        System.out.println("Area Of Tringle is :" + 12 * tb * th);
+        System.out.println("Perimeter Of Tringle is :" + 12 * tb * th);
+    }
+
+}
+
+public class Demo {
+
+    public static void main(String[] args) {
+        System.out.println("Dimension Calculator..");
+        System.out.println("Menue..!");
+        System.out.println("1. Circle");
+        System.out.println("2. squre");
+        System.out.println("3. cube");
+        System.out.println("4. cuboid");
+        System.out.println("5. Rectangle");
+        System.out.println("6. tringle");
+
+        System.out.println("Please Enter Choice...!");
+        Scanner sc = new Scanner(System.in);
+        int i = sc.nextInt();
+        calculator cal = new calculator();
+
+        switch (i) {
+            case 1:
+                cal.circle();
+                break;
+
+            case 2:
+                cal.square();
+                break;
+
+            case 3:
+                cal.cube();
+                break;
+            case 4:
+                cal.cuboid();
+                break;
+            case 5:
+                cal.rectangle();
+                break;
+            case 6:
+                cal.tringle();
+                break;
+            default:
+                System.out.println("Invalid Option..!");
+
+        }
+
+    }
+
+}
diff --git a/README.md b/README.md
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--- a/README.md
+++ /dev/null
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-# core_Java_Assingment-
\ No newline at end of file