AssignmentS2

assignments/AssigmentS2/exercise2/Circle.java

@@ -0,0 +1,18 @@
+class Circle implements Shape {
+
+private double n;
+
+    public Circle(double n) {
+    this.n = n;
+    }
+
+    public double calculateArea() {
+        return 3*n*n;
+
+}
+
+    public double calculatePerimeter() {
+        return 2*3*n;
+}
+
+}

assignments/AssigmentS2/exercise2/Rectangle.java

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+class Rectangle implements Shape {
+
+private double n, m;
+
+public Rectangle(double n, double m) {
+    this.n = n;
+    this.m = m;
+}
+    public double calculateArea() {
+        return n*m;
+}
+
+    public double calculatePerimeter() {
+        return 2*n+2*m;
+}
+
+}

assignments/AssigmentS2/exercise2/Shape.java

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+interface Shape {
+
+double calculateArea();
+double calculatePerimeter();
+
+}

assignments/AssigmentS2/exercise2/demo.java

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+public class demo {
+    public static void main(String[] args) {
+    Shape circle = new Circle(5.0);
+    Shape rectangle = new Rectangle(5.0, 6.0);
+
+    System.out.println("Rectangle one side 5, other side 6");
+    System.out.println("Rectangle area: "+ rectangle.calculateArea() + ", Rectangle perimeter: "+ rectangle.calculatePerimeter());
+    System.out.println("Circle radius: 5");
+    System.out.println("Circle area: "+ circle.calculateArea() + ", Circle perimeter: "+ circle.calculatePerimeter());
+    }
+
+}