1 files changed, 86 insertions, 0 deletions
diff --git a/java/code/CircularBaseExample.java b/java/code/CircularBaseExample.java
new file mode 100644
index 0000000..c9a21fe
--- /dev/null
+++ b/java/code/CircularBaseExample.java
@@ -0,0 +1,86 @@
+import java.util.InputMismatchException;
+import java.util.Scanner;
+
+interface ThreeDimensionalShape {
+    double calArea();
+    double calVolume();
+}
+
+class CircularBase {
+    double radius;
+
+    CircularBase(double radius) {
+        this.radius = radius;
+    }
+
+    double getArea() {
+        return Math.PI * radius * radius;
+    }
+}
+
+class Cone extends CircularBase implements ThreeDimensionalShape {
+    double height;
+
+    Cone(double radius, double height) {
+        super(radius);
+        this.height = height;
+    }
+
+    @Override
+    public double calArea() {
+	return getArea() + Math.PI * radius * height;
+    }
+
+    @Override
+    public double calVolume() {
+        return (1.0 / 3.0) * getArea() * height;
+    }
+}
+
+class Cylinder extends CircularBase implements ThreeDimensionalShape {
+    double height;
+
+    Cylinder(double radius, double height) {
+        super(radius);
+        this.height = height;
+    }
+
+    @Override
+    public double calArea() {
+        return 2 * getArea() + 2 * Math.PI * radius * height;
+    }
+
+    @Override
+    public double calVolume() {
+        return getArea() * height;
+    }
+}
+
+public class CircularBaseExample {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        try {
+            System.out.print("Enter radius of Cone: ");
+            double coneRadius = scanner.nextDouble();
+            System.out.print("Enter height of Cone: ");
+            double coneHeight = scanner.nextDouble();
+            System.out.print("Enter radius of Cylinder: ");
+            double cylinderRadius = scanner.nextDouble();
+            System.out.print("Enter height of Cylinder: ");
+            double cylinderHeight = scanner.nextDouble();
+            Cone cone = new Cone(coneRadius, coneHeight);
+            Cylinder cylinder = new Cylinder(cylinderRadius, cylinderHeight);
+
+            System.out.println("\nCone base area: " + cone.getArea());
+            System.out.println("Cone total area: " + cone.calArea());
+            System.out.println("Cone volume: " + cone.calVolume());
+
+            System.out.println("\nCylinder base area: " + cylinder.getArea());
+            System.out.println("Cylinder total area: " + cylinder.calArea());
+            System.out.println("Cylinder volume: " + cylinder.calVolume());
+        } catch (InputMismatchException e) {
+            System.err.println("Invalid input. Please enter numerical values only.");
+	    System.exit(1);
+        }
+    }
+}