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+#import "/template.typ": *
+#show: A => apply(A)
+#set raw(lang: "java-new")
+#set par(leading: 0.7em)
+
+#assignment(16)[
+  Write a program to create a base class named `Rectangle` and another class named `Cuboid` deriving `Rectangle` overloading the constructors and print surface area and volume of a `Cuboid` object.
+]
+#v(2em)
+#scos("CuboidCalculations")
+
+=== Discussion
+
+#skind[Classes and methods implemented in the program]
+
+- The `Rectangle` class:
+  - `int area()`: Calculates the area of a rectangle based on its length and breadth.
+
+- The `Cuboid` class extends `Rectangle`:
+  - `int surfaceArea()`: Calculates the surface area of a cuboid based on its length, breadth, and height.
+  - `int volume()`: Calculates the volume of a cuboid based on its length, breadth, and height.
+
+- The `CuboidCalculations` class contains the main program:
+  - `public static void main(String[])`: Creates an instance of `Cuboid`, calculates and displays its surface area and volume.
+  
+#signature()