Area.java

import java.util.Scanner;

public class Area {
 public static void main(String args[]) {
 Scanner sc = new Scanner(System.in);
 Area obj = new Area();
 double base = sc.nextDouble();
 double height = sc.nextDouble();
 System.out.printf("Area of parallelogram = %.4f",obj.area(base, height));
 double d1 = sc.nextDouble();
 double d2 = sc.nextDouble();
 System.out.printf("Area of rhombus = %.4f",obj.area(0.5, d1, d2));
 double a = sc.nextDouble();
 double b = sc.nextDouble();
 double h = sc.nextDouble();
 System.out.printf("Area of trapezium = %.4f",obj.area(0.5, a, b, h));
 
 sc.close();
 }
 public double area(double base, double height) {
 return base * height;
 }
 public double area(double c, double d1, double d2) {
 return c * d1 * d2;
 }
 public double area(double c, double a, double b, double h) {
 return c * (a + b) * h;
 }
}