AssignmentS2

assignments/AssigmentS2/exercise2-1/Circle.java

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+public class Circle implements Shape {
+
+// private double n;
+
+/*    public Circle(double n) {
+    this.n = n;
+    }
+*/
+    public double calculateArea(double n) {
+        return 3.14*n*n;
+
+}
+
+    public double calculatePerimeter(double n) {
+        return 2*3.14*n;
+}
+
+}

assignments/AssigmentS2/exercise2-1/Rectangle.java

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

assignments/AssigmentS2/exercise2-1/Shape.java

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+interface Shape {
+
+public double calculateArea(double n);
+public double calculatePerimeter(double n);
+
+
+public double calculateArea(double n, double m);
+public double calculatePerimeter(double n, double m);
+
+}

assignments/AssigmentS2/exercise2-1/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());
+    }
+
+}